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Технология Round-Robin DNS
 
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Курс в НОУ ИНТУИТ: https://www.intuit.ru/studies/courses/3493/735/info
DNS ROUND ROBIN In Server 2012 R2
 
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DNS ROUND ROBIN In Server 2012 R2
Views: 4215 ITSmartTraining
What is ROUND-ROBIN DNS? What does ROUND-ROBIN DNS mean? ROUND-ROBIN DNS meaning & explanation
 
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What is ROUND-ROBIN DNS? What does ROUND-ROBIN DNS mean? ROUND-ROBIN DNS meaning - ROUND-ROBIN DNS definition - ROUND-ROBIN DNS explanation. Source: Wikipedia.org article, adapted under https://creativecommons.org/licenses/by-sa/3.0/ license. SUBSCRIBE to our Google Earth flights channel - https://www.youtube.com/channel/UC6UuCPh7GrXznZi0Hz2YQnQ Round Robin DNS is a technique of load distribution, load balancing, or fault-tolerance provisioning multiple, redundant Internet Protocol service hosts, e.g., Web server, FTP servers, by managing the Domain Name System's (DNS) responses to address requests from client computers according to an appropriate statistical model. In its simplest implementation, Round-robin DNS works by responding to DNS requests not only with a single potential IP address, but with one out of a list of potential IP addresses corresponding to several servers that host identical services. The order in which IP addresses from the list are returned is the basis for the term round robin. With each DNS response, the IP address sequence in the list is permuted. Usually, basic IP clients attempt connections with the first address returned from a DNS query, so that on different connection attempts, clients would receive service from different providers, thus distributing the overall load among servers. There is no standard procedure for deciding which address will be used by the requesting application, a few resolvers attempt to re-order the list to give priority to numerically "closer" networks. Some desktop clients do try alternate addresses after a connection timeout of 30–45 seconds. Round robin DNS is often used to load balance requests between a number of Web servers. For example, a company has one domain name and three identical copies of the same web site residing on three servers with three different IP addresses. When one user accesses the home page it will be sent to the first IP address. The second user who accesses the home page will be sent to the next IP address, and the third user will be sent to the third IP address. In each case, once the IP address is given out, it goes to the end of the list. The fourth user, therefore, will be sent to the first IP address, and so forth. A round-robin DNS name is, on rare occasions, referred to as a "rotor" due to the rotation between alternative A records. Although easy to implement, round robin DNS has a number of drawbacks, such as those arising from record caching in the DNS hierarchy itself, as well as client-side address caching and reuse, the combination of which can be difficult to manage. Round robin DNS should not solely be relied upon for service availability. If a service at one of the addresses in the list fails, the DNS will continue to hand out that address and clients will still attempt to reach the inoperable service. Also, it may not be the best choice for load balancing on its own, since it merely alternates the order of the address records each time a name server is queried. There is no consideration for transaction time, server load, network congestion, etc. Round robin DNS load balancing works best for services with a large number of uniformly distributed connections to servers of equivalent capacity. Otherwise it just does load distribution. Methods exist to overcome such limitations. For example, modified DNS servers (such as lbnamed) can routinely poll mirrored servers for availability and load factor. If a server does not reply as required, the server can be temporarily removed from the DNS pool, until it reports that it is once again operating within specs.
Views: 1005 The Audiopedia
Best High Availability Designs for Exchange 2016
 
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Exchange 2016 is going to live longer so it should be deployed correctly. A simple misconfiguration can cause performance issue. Similarly, if we do not configure high availability correctly then HA might fail at the time of the requirement. This session will cover every basic design requirement which will configure your deployment in best High Availability. This is the Techstravaganza 2017 Exchange session. http://www.techstravaganza.com/techstravaganza-2017-history/
20741 Demo14 Configuring DNS Policies
 
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This demo looks at creating a DNS Policy to allow traffic management across geographical locations
Views: 338 Bryan OConnor
18 Adv Exchange 2016 Deployment By Engineer Momen Hany (New EX Server & HA)
 
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Adv Exchange 2016 Deployment By Engineer Momen Hany 18-Adv Exchange 2016 Deployment By Engineer Momen Hany (New EX Server & HA) www.momenhany.com http://www.facebook.com/MomenHanyFP EG 2+ 1143739545 Exchange Server 2016 High Availability Exchange Server 2016 IIS Crypt Exchange Server 2016 Exchange Server 2016 DAG
Views: 311 Momen Hany
DNS Round Robin
 
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Views: 21 dat tran
Lync 2010  Implement DNS load balancing part77
 
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Help Me Get 100.000 Subscribe " Jackson Thomas 2017 2018 2019 Lynda.com " YouTube Channel! #Cisco #LyndaTraining #Microsoft #Linux #IBM #CiscoCoreswitch #Lynda.com #VmareVSphere6.5 #VmareESXI #Hyper-V#MicrosoftWindowsSerrver#TrainingITPro#learnitpro.net# ► Please REGISTER (SUBSCRIBE) track channel now! ✓ Youtube channel: https://goo.gl/GDkzYK To get the latest updates from our video---------------------------------- ------------------ ✓ You can exchange comments by comment below video, to your support & serve better, Thank you ...! !! ✓ We hope to receive the support & feedback from you, I wish you a very happy day and happy ... !!! ✓ ® If you have any copyright or copyright related issues regarding the VIDEO, please contact us directly. (Thank you).
Views: 25 Jackson Thomas
How to configure Exchange Server 2016 (Load Balance with DAG)
 
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In This video we will show you how to configure exchange server 2016 (load balance with dag), about the load balancer we use Zen Load balancer.
Views: 502 Lay Mony
История одного сбоя Exchange
 
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Онлайн ИТ-курсы https://course4it.com Системная интеграция http://miaton.ru/
Views: 3532 ИТ-Видео
DNS Configuration
 
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DNS Configuration
Views: 76 ITSmartTraining
All what you want to know about Exchange and DNS
 
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في الفيديو السريع ده حنشرح ايه علاقة ال Smtp بال DNS و كل ما هو لازم لارسال الايميل بطريقة سلسة متضمنا A Records, MX records, SPF, Sender ID, DNS Blacklists و غيره
Views: 707 Mahmoud Magdy
How to Configure internal URLS in Exchange Server 2019
 
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How to Configure internal URLS in Exchange Server 2019 clients can connect to your new server from your intranet, you need to configure the internal domains, or URLs, on the Mailbox server's virtual directories and then configure your private domain name service (DNS) records.
Views: 121 It System
[Exchange 2016] Load Balancing Layer 7 Client Access Exchange 2016
 
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[Exchange 2016] Load Balancing Layer 7 Client Access Exchange 2016
Views: 159 Trần Hoàng
Backstreet Boys - Chances (Official Video)
 
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Get the new Backstreet Boys album ‘DNA’ available now featuring “Don’t Go Breaking My Heart”, “Chances” and “No Place”! iTunes - http://smarturl.it/BSBxDNA/itunes?iQid=yt Apple Music - http://smarturl.it/BSBxDNA/applemusic?iQid=yt Spotify - http://smarturl.it/BSBxDNA/spotify?iQid=yt Amazon - http://smarturl.it/BSBxDNA/az?iQid=yt Google Play - http://smarturl.it/BSBxDNA/googleplay?iQid=yt Pandora - http://smarturl.it/BSBxDNA/pandora?iQid=yt Don't miss the DNA World Tour 2019! See dates & get tickets at https://www.backstreetboys.com/events Get the new single “Chances”: iTunes - http://smarturl.it/bsbxChances/itunes?iQid=yt Apple Music - http://smarturl.it/bsbxChances/applemusic?iQid=yt Spotify - http://smarturl.it/bsbxChances/spotify?iQid=yt Amazon - http://smarturl.it/bsbxChances/az?iQid=yt Google Play - http://smarturl.it/bsbxChances/googleplay?iQid=yt Pandora - http://smarturl.it/bsbxChances/pandora?iQid=yt Follow Backstreet Boys on Spotify to stay up to date on all new music! http://smarturl.it/BSBSpotifyFollow?iQid=YT Follow Backstreet Boys Website - https://www.backstreetboys.com/ Facebook - https://www.facebook.com/backstreetboys/ Twitter - https://twitter.com/backstreetboys Instagram - https://www.instagram.com/backstreetboys/ Lyrics: what if I'd never run in to you what if you'd never smiled at me what if I hadn't noticed you too and you’d never showed up where I happened to be whats a girl like you doing in a place like this on quiet night what are the odds what's a guy like me doing in a place like this could have just walked by who would've thought what are the chances that we'd end up dancing like two in a million like once in a life that I could have found you put my arms around you like two in a million like once in a life what are the chances what if I hadn’t asked for you name and time hadn’t stopped when you said it to me of all of the plans that I could’ve made of all of the nights that I couldn’t sleep whats a girl like you doing in a place like this in a crowded room what are the odds what's a guy like me doing in a place like this getting close to you who would've thought what are the chances that we'd end up dancing like two in a million like once in a life that I could have found you put my arms around you like two in a million like once in a life what are the chances Is it love Is it fate Where it leads who can say Don’t know exactly what it means Is it love Is it fate Where it leads who can say Maybe you and I were meant to be what are the chances that we'd end up dancing like two in a million once in a life that I could have found you put my arms around you like two in a million once in a life what are the chances Songwriters: Zach Skelton, Casey Smith, Fiona Bevan, Ryan Tedder, Shawn Mendes, Geoff Warburton, Scott Harris Producers: Ryan Tedder & Zach Skelton
Views: 23246776 BackstreetBoysVEVO
Module 4 Implementing Exchange 2013 (Exchange Architecture High Availability and Site Resilience)
 
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via http://upit.pk #Watch #YouTube in #Pakistan http://playit.pk Default description.
Views: 170 Majid Khan
DNS Hierarchy with server 2012 r2
 
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DNS Hierarchy with server 2012 r2
Views: 148 ITSmartTraining
What is Split DNS?
 
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You hear me talk about Split DNS and how I prefer it over hairpin NAT. In this video I will explain what Split DNS is. Split DNS splits up a zone (widgets.com for example) into an internally accessible zone that resolves the hosts to IPs to your internal network and into an externally accessible zone that resolves to live routable IPs the rest of the world can use to access your server. We are going to configure DNS on Ubuntu in the next video so make sure you come back! Subscribe, give a thumbs-up! Comment and share!
Views: 8017 Willie Howe
Migrating Microsoft Exchange 2010 to 2016 with MVP Jaap Wesselius
 
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Learn to Migrate Exchange 2010 to Exchange 2016 with the following tools: - Requirements Calculator - Exchange 2013 Jetstress - Layer 4-7 Load Balancer - Michel de Rooij's install script https://kemptechnologies.com/sg/microsoft-load-balancing/migrate-exchange-server-2013-to-2016/
Views: 12959 Kemp
20345 1 Demo26 Configuring A L4 LoadBalancer For Client Access Services
 
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This demo looks at using a virtual load balancer (Zen community) for Exchange Server 2016 Client access services
Views: 1200 Bryan OConnor
35. How To Configure Network Load Balancing In Windows Server 2016
 
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Step by step guide on How to Configure two node NLB (Network Load Balancing) cluster with IIS Web Server in Windows Server 2016.
Views: 15921 MSFT WebCast
Incoming mail server load balancing
 
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Incoming mail server load balancing ISP or even Big Organizations could get thousands of legitimate or Spam mail per hour. To reduce Load on Incoming Emails we need Load Balancing incoming mails with multiple Incoming Mail Server. so that senders could connect to all our Mail Server, we need to Assign DNS MX Record with Same Priority at the DNS server. If we assign all the Incoming Mail Server with Same priority, DNS server will respond to the senders Query with All the 3 IP with Round Robin Fashion. So that clients can connect to all our server evenly. Mail Server Design Series Videos: First: https://youtu.be/cXoSdqkJKio Second: https://youtu.be/eOZ19VSIvpQ Third: https://youtu.be/UitGGBuiXZ0 You can visit my Other Videos on my Channel https://www.youtube.com/channel/UCgy06NsQN3EoHo5DXUTp8Rg LinkedIn: https://bd.linkedin.com/in/munna1982 Facebook: http://www.facebook.com/mailserverguru Twitter: http://www.twitter.com/mailserverguru website: http://www.mailserverguru.com
Views: 1105 mailserverguru
Cloud Load Balancing Deep Dive and Best Practices (Cloud Next '18)
 
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Google Cloud Load Balancing enables enterprises and cloud-natives to deliver highly available, scalable, low-latency cloud services with a global footprint. Learn how you can use Google Global Load Balancing to deliver global reach and scale. Reduce toil by deploying your application backends in single or multiple regions wherever your users are, front-ending these with a single anycast VIP, and growing or shrinking your backend resources with intelligent Autoscaling. For your private services, learn how you can scale them using Internal Load Balancing (ILB) for clients in Google Cloud or on-prem across Interconnect/VPN. You will leave this session with a comprehensive understanding of Cloud Load Balancing including Load Balancing (LB) Flavors (HTTP(S) LB, TCP/SSL proxy, Network LB, Internal LB), GKE Load Balancing, LB Security features (Multiple certs, custom SSL policies, DDoS defense), modern LB capabilities (HTTP/2, gRPC, QUIC), LB Telemetry (Stackdriver logging and monitoring) and Network Tiers. You will see demos and learn how enterprise customers deploy Cloud Load Balancing and the best practices they use to deliver smart, secure, modern services across the globe. IO249 Event schedule → http://g.co/next18 Watch more Infrastructure & Operations sessions here → http://bit.ly/2uEykpQ Next ‘18 All Sessions playlist → http://bit.ly/Allsessions Subscribe to the Google Cloud channel! → http://bit.ly/NextSub
Views: 5726 Google Cloud Platform
Windows Server 2012 - Network Load Balancing
 
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Setting up a 2 node NLB cluster for IIS on Windows Server 2012. http://robertlabrie.wordpress.com/2013/07/29/windows-server-2012-network-load-balancing/
Views: 99570 Robert Labrie
Split brain DNS explained
 
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This is an explanation of how DNS, the Domain Name System, works and why its necessary to communicate on the internet.
Views: 1372 Disc4lyfe
Scaling the Public Edge: Approaches to Application Load Balancing
 
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Speaker: Chris Woodfield, Twitter Nearly every public website and application today scales beyond a single web server, and the techniques for scaling websites and other applications on the public Internet vary far and wide, and often change as sites approach "Internet scale." In this panel discussion, we will discuss various operators' and vendors' approaches and challenges to load balancing large-scale web sites/apps, both at the network and service level, and how increasing growth and new technologies have guided their scaling models and strategies. Sample panel questions: How has your site's load balancing needs changed at various points of scale? What systems or solutions have proven to navigate these changes with adjustments, and what approaches required a complete overhaul? What systems or solutions have proven to be the most scalable and manageable? What features are you seeing as missing from current solutions in the market today? What pros and cons of appliance-based vs. virtualized vs open-source load balancing solutions have you encountered? What automation challenges have you encountered and what solutions have you adopted? Technologies in the discussion scope will include: Layer 7 (proxy-based) vs. Layer 4 (NAT-based) load balancing, "inline" vs. DSR High Availability methods: Active/Standby, Active/Active, N+1 clustering Load sharing and failover with multiple VIPs: DNS round-robin, IP route injection, ECMP/anycast approaches Commercial versus open source solutions Appliance vs software vs. virtualized solutions
Views: 792 TeamNANOG
Windows Server 2008: create dns records
 
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This video also works on Server 2003. We so frequently install DNS with Active Directory, we forget that it is a full featured service on its own. This video is just one aspect of many features available from Windows DNS. This how-to video on Microsoft Windows Server 2008 domain name service (DNS) shows how to manually create DNS records. The types of records are A and AAAA records for normal lookups in a IPv4 or IPv6 environment. (Glue record) PTR records for a reverse lookup zone. This is the opposite of DNS. It's IP Address mapping to DNS name. MX records for mail exchanger CNAME for canonical name records. These resolve one name to another name. It's like a nickname for machines. NS records to specify other name servers. SOA records to identify the server in charge of the domain. Providing training videos since last Tuesday. http://www.technoblogical.com Thanks for watching.
Views: 96066 Chris Walker
pfSense: How To NAT / Port Forward With a Multiple Wan / Fail over setup
 
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Amazon Affiliate Store https://www.amazon.com/shop/lawrencesystemspcpickup Things we love including computers, software, services, gadgets, and of course hot sauces. https://www.lawrencesystems.com/things-we-love/ pFsense: How To NAT / Port Forward With a Multiple Wan / Fail over setup https://www.lawrencesystems.com/ 14140 Pennsylvania Southgate MI 48195 313-299-1503 [email protected] https://twitter.com/TomLawrenceTech https://www.lawrencesystems.com/ 313-299-1503 [email protected] https://twitter.com/TomLawrenceTech
Exchange 2013 to 2016 Migration - Part 3
 
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See more at http://www.blaks.dk This third part of this series shows how to configure the Virtual Directories, creating new databases and adding them to a new DAG instance. We moves the Mailboxes from Exchange 2013 to the new Exchange 2016 Databases, and migrates the mail flow to this new servers. Last we decommissions the Exchange 2013 Servers, and test the new environment. • Configure Exchange 2013/2016 CAS coexistence • Create New Mailbox Databases on Exchange 2016 with DAG • Move MailBoxes • Migrate mail flow to Exchange 2016 • Decommission the Exchange 2013 Servers PowerShell: • Configure Exchange 2013/2016 CAS coexistence View Settings: Get-OutlookAnywhere -Server EXCH1-16 Get-EcpVirtualDirectory -Server EXCH1-16 | select * Get-OwaVirtualDirectory -Server EXCH1-16 | select * Get-WebServicesVirtualDirectory -Server EXCH1-16 Get-ActiveSyncVirtualDirectory -Server EXCH1-16 Get-OabVirtualDirectory -Server EXCH1-16 Get-MapiVirtualDirectory -Server EXCH1-16 Configure Settings: Get-OutlookAnywhere -Server EXCH1-16 | Set-OutlookAnywhere -InternalHostname mail.blakout.dk -InternalClientAuthenticationMethod Ntlm -InternalClientsRequireSsl $true -ExternalHostname mail.blakout.dk -ExternalClientAuthenticationMethod Basic -ExternalClientsRequireSsl $true -IISAuthenticationMethods Negotiate,NTLM,Basic   Get-EcpVirtualDirectory -Server EXCH1-16 | Set-EcpVirtualDirectory -InternalUrl https://mail.blakout.dk/ecp -ExternalUrl https://mail.blakout.dk/ecp   Get-OwaVirtualDirectory -Server EXCH1-16 | Set-OwaVirtualDirectory -InternalUrl https://mail.blakout.dk/owa -ExternalUrl https://mail.blakout.dk/owa   Get-WebServicesVirtualDirectory -Server EXCH1-16 | Set-WebServicesVirtualDirectory -InternalUrl https://mail.blakout.dk/EWS/Exchange.asmx -ExternalUrl https://mail.blakout.dk/EWS/Exchange.asmx   Get-ActiveSyncVirtualDirectory -Server EXCH1-16 | Set-ActiveSyncVirtualDirectory -InternalUrl https://mail.blakout.dk/Microsoft-Server-ActiveSync -ExternalUrl https://mail.blakout.dk/Microsoft-Server-ActiveSync   Get-OabVirtualDirectory -Server EXCH1-16 | Set-OabVirtualDirectory -InternalUrl https://mail.blakout.dk/OAB -ExternalUrl https://mail.blakout.dk/OAB   Get-MapiVirtualDirectory -Server EXCH1-16 | Set-MapiVirtualDirectory -InternalUrl https://mail.blakout.dk/mapi -ExternalUrl https://mail.blakout.dk/mapi -IISAuthenticationMethods Negotiate • Create New Mailbox Databases on Exchange 2016 with DAG New-MailboxDatabase -Server EXCH1-16 -Name "DB01" -EdbFilePath C:\DB01\DB01.edb -LogFolderPath C:\Log01\ New-MailboxDatabase -Server EXCH2-16 -Name "DB02" -EdbFilePath C:\DB02\DB02.edb -LogFolderPath C:\Log02\ Mount-Database DB01 Mount-Database DB02 Get-Service MSExchangeIS -ComputerName EXCH1-16,EXCH2-16 | Restart-Service   Get-MailboxDatabase Remove-MailboxDatabase "Mailbox Database 1764891455" -Confirm:$false EXCH1-13: Get-ChildItem 'C:\Program Files\Microsoft\Exchange Server\V15\Mailbox' EXCH1-13: Remove-Item -Recurse -Force 'C:\Program Files\Microsoft\Exchange Server\V15\Mailbox\Mailbox Database 1764891455' • Add Exchange 2016 to Database Availability Group (DAG) New-DatabaseAvailabilityGroup -Name DAGCLUST01-16 Add-DatabaseAvailabilityGroupServer DAGCLUST01-16 -MailboxServer EXCH1-16 Add-DatabaseAvailabilityGroupServer DAGCLUST01-16 -MailboxServer EXCH2-16   Add-MailboxDatabaseCopy DB01-16 -MailboxServer EXCH2-16 -ActivationPreference 2 Add-MailboxDatabaseCopy DB02-16 -MailboxServer EXCH1-16 -ActivationPreference 2   Get-MailboxServer | Get-MailboxDatabaseCopyStatus -ConnectionStatus Get-MailboxDatabaseCopyStatus -Identity DB01-16 • Move MailBoxes Get-Mailbox -Arbitration | New-MoveRequest -TargetDatabase "DB01-16" Get-Mailbox -Database "DB01" | New-MoveRequest -TargetDatabase "DB01-16" Get-Mailbox -Arbitration Get-MailboxDatabase Get-Mailbox -Database "DB01" Get-MoveRequest Get-MoveRequest -MoveStatus Completed | Remove-MoveRequest -Confirm:$false Get-MoveRequest | Get-MoveRequestStatistics • Migrate mail flow to Exchange 2016 Get-SendConnector | fl Name,SmartHosts,SourceTransportServers,AddressSpaces Set-SendConnector "Internet Send Connector" -SourceTransportServers litex02 • Decommission the Exchange 2013 Server Get-DatabaseAvailabilityGroup Get-MailboxDatabaseCopyStatus Get-MailboxServer | Get-MailboxDatabaseCopyStatus -ConnectionStatus   Remove-MailboxDatabaseCopy DB01\EXCH2-13 -WhatIf Remove-MailboxDatabaseCopy DB02\EXCH1-13 -WhatIf   Remove-DatabaseAvailabilityGroupServer "DAGCLUST01" -MailboxServer EXCH1-13 -WhatIf Remove-DatabaseAvailabilityGroupServer "DAGCLUST01" -MailboxServer EXCH2-13 -WhatIf   Remove-DatabaseAvailabilityGroup "DAGCLUST01" -WhatIf
Views: 1864 Jesper Blak
48-MCSA 2016 (Implementing Network Load Balancing) By Eng-Abeer Hosni | Arabic
 
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48-MCSA 2016 (Implementing Network Load Balancing) By Eng-Abeer Hosni | Arabic لمتابعة السلسلة كاملة : https://www.youtube.com/playlist?list=PLCIJjtzQPZJ8ZZ_ssKQsWxB-C8U6ddA0g لا تنسوا الاشتراك في قناتنا على اليوتيوب .. ليصلكم كل جديد http://bit.ly/Free4arab http://www.free4arab.com https://www.facebook.com/free4arab https://twitter.com/free4arab1 https://plus.google.com/113503705132872627915
Primary and Backup mail server
 
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Primary and Backup mail server in this video we can learn about How to design primary and backup mail server, how they work together to create a failover scenario for incoming emails, if primary mail server goes down then the Backup mail server will take over to receive all incoming emails. it will receive all email and stores at its Queue, it will wait for the Primary to come alive then deliver all email to the primary server. Primary server is the functional server for the organization who delivers all email to the users. Mail Server Design Series Videos: First: https://youtu.be/cXoSdqkJKio Second: https://youtu.be/eOZ19VSIvpQ You can visit my Other Videos on my Channel https://www.youtube.com/channel/UCgy06NsQN3EoHo5DXUTp8Rg LinkedIn: https://bd.linkedin.com/in/munna1982 Facebook: http://www.facebook.com/mailserverguru Twitter: http://www.twitter.com/mailserverguru website: http://www.mailserverguru.com
Views: 1514 mailserverguru
Load balancing on Device Fortinet
 
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Cấu hình cân bằng tải cho các server Web bằng thiết bị Fortinet (Phần 1) Load balancing Web Server on Device Fortinet
15  Testing HA 2
 
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This is my tutorial to show step by step how to create Database availability Group in exchange 2013. Follow my channel and visit http://ramandani.com to another tutorial
Views: 923 Randy Ramandani
5  Add Network Adapter for replicate DAG
 
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This is my tutorial to show step by step how to create Database availability Group in exchange 2013. Follow my channel and visit http://ramandani.com to another tutorial
Views: 158 Randy Ramandani
IoT Weather Application
 
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See the Dzone article "Cheaper Alternatives to IoT Cloud Services" for an introduction to this video: https://dzone.com/articles/cheaper-alternatives-to-iot-cloud-services The SMQ Weather Application illustrates how a web-based user interface can be synchronized with the user interface in a device. The SMQ Weather Application consists of three parts: the server application, the thermostat device, and the browser user interface. Start by downloading the simulated thermostat device for Windows, run the self extracting archive and unpack it to any directory. https://realtimelogic.com/downloads/SMQ/WeatherApp-install.exe 00:29 The simulated thermostat device should start as soon as the self extracting archive completes packing up the files. To synchronize a web interface with the device, click the menu button and then click the "Start Browser" button. A browser window should then open and synchronize with the device. You can also manually synchronize a browser user interface by simply navigating to the online thermostat user interface, clicking the menu button, clicking "Connect", and then enter the device key in the browser. You may synchronize any number of web user interfaces with the device. We are connecting a second browser window to show you how all synchronized user interfaces are updated in real time at the same time. 01:16 This figure illustrates the messaging between the device and the two browser windows. All communication goes via the SMQ broker running in the server. 01:33 The Weather Application also consists of a dedicated server side application implemented in the Lua scripting language. The server side Weather Application is in charge of creating a dedicated connection island for each connected device. Each connected device can separately be controlled by any number of browsers. The server side Weather Application is also responsible for connecting to third party services such as IP address to geo-location service and a Weather Database. These third party services can be accessed by using H.T.T.P and REST. Note that the Weather Database used is Open WeatherMap. This service can be slow and does not always return correct results. 02:08 Note that clicking the thermostat +/- button in any of the synchronized user interfaces is automatically replicated to all other connected user interfaces, including the device. The synchronization is managed by sending SMQ messages via the broker and the server side Weather Application. 02:20 Let's go ahead and change the location to the North Pole. When you click the submit button, a message is sent to the server side weather application, which in turn queries the weather database. When the weather database responds, the server side weather application relays this data to the device and all connected browsers. 02:38 Let's change the location to a city where it is currently raining. Notice how all user interfaces are updated as soon as the weather database responds. All user interfaces receive the current weather and a seven day forecast. 02:58 When you close a browser interface, the server side weather application is notified via the SMQ broker. The browser's connection ID is then removed from the connection island. 03:06 Notice what happens in the browser when we terminate the device. The thermostat is removed since we are no longer connected to a device. When a device terminates or disconnects, the connection island associated with this device is terminated in the server application. 03:18 We have so far given you the impression that there is only one online server. There are in fact four online servers and four public IP addresses associated with the domain name simplemq.com. This is known as Round Robin DNS. The SMQ server application is configured as a cluster, where each cluster node is connected to all other nodes. We have configured the DNS server such that you can navigate to a specific cluster node by entering the cluster node name followed by the domain name simplemq.com. For example, to navigate to cluster node 2, enter node2.simplemq.com in the browser. 03:56 Let's go ahead and synchronize the two browser windows with the device by entering the device key in the two browser windows. Notice that browser window 1 is connected to cluster node 1 and browser window 2 is connected to cluster node 2. We do not know what cluster node the device is connected to since the device connects to simplemq.com. The DNS for this domain resolves to four IP addresses and the device selects one of the four IP addresses. Clustering enables us to scale a server solution horizontally. Clustering also provides redundancy.
Views: 1342 Real Time Logic
Designing and deploying exchange 2016 Client Access Overview clip1
 
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Designing and deploying exchange 2016 Client Access Overview clip1
Views: 43 QLV Technet
Deep Dive into Exchange: from protocol to feature by José Antonio Calvo
 
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Deep Dive into Exchange: from protocol to feature José Antonio Calvo, Server Lead Developer and Co-Founder at Zentyal Protocols Plugfest Europe 2015 - Wednesday 13 - Second track www.protocolsplugfest.com
Views: 100 zentyal
Configure Secondary DNS (Domain Name System) in Windows Server 2012.
 
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Click right away to fix Windows networking issues. Secondary DNS also used as "Fault Tolerance" Server. In case Primary DNS crashes, this Secondary DNS will come to the rescue to the clients. The best practice to maintain your network is to have Secondary DNS server installed and configured which will act like a Backup Server. ******************************************************************** Updated on 15th February, 2018. Microsoft recommends NOT to change 127.0.0.1 as LoopBack Address will ensure connectivity with DNS (Domain Name System). But 127.0.0.1 should be used only when there is ONE DNS Server running on your network. You should not use 127.0.0.1 for FIRST DNS Server. But when it comes to "Secondary" and "Tertiary" DNS you can certainly use 127.0.0.1 The rule is Loopback Address should not be used as "Preferred DNS Server", it should always be "Alternate DNS Server". If you use "127.0.0.1" as "Preferred DNS Server" which is "Active Directory Integrated DNS" server will slowly start and it will not find any "replication partner". However some people still use reliable Private IP Addresses for data replication and performance. The range of reserved Private IP Addresses are mentioned below:- A Class :- 10.0.0.0 - 10.255.255.255 B Class: - 172.16.0.0 - 172.31.255.255 C Class: - 192.168.0.0 - 192.168.255.255. In this video I chose "B Class" address 172.16.0.0 . However, I will create video for "Secondary" and "Tertiary" DNS using LoopBack Address. Loopback Range 127.0.0.1 - 127.255.255.255 .
Views: 1773 Inquisitive Minds
Балансировка нагрузки, алгоритмы балансировки
 
09:55
Курс в НОУ ИНТУИТ: https://www.intuit.ru/studies/courses/3493/735/info
Views: 385 НОУ ИНТУИТ
Course Preview: Designing/Deploying Exchange 2016 (70-345): Client Access
 
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View full course: https://www.pluralsight.com/courses/designing-deploying-exchange-2016-70-345-client-access Join Pluralsight author Paul Cunningham as he walks you through a preview of his "Designing/Deploying Exchange 2016 (70-345): Client Access" course found only on Pluralsight.com. Become smarter than yesterday with Paul's help by learning about designing and deploying client access namespaces; managing SSL certificates; configuring high availability and load balancing; managing mobile devices; and performing troubleshooting. Visit Pluralsight.com to start your free trial today to view this course in its entirety. Visit us at: Facebook: https://www.facebook.com/pluralsight Twitter: https://twitter.com/pluralsight Google+: https://plus.google.com/+pluralsight LinkedIn: https://www.linkedin.com/company/pluralsight Instagram: http://instagram.com/pluralsight Blog: https://www.pluralsight.com/blog
Views: 127 Pluralsight
DNS Record Types - CompTIA Network+ N10-007 - 1.8
 
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Network+ Training Course Index: http://professormesser.link/007course Professor Messer’s Course Notes: http://professormesser.link/007cn Frequently Asked Questions: http://professormesser.link/faq - - - - - DNS uses many different resource record types for network name services. In this video, you’ll learn about the DNS forward lookup file and some of the most common DNS record types. - - - - - Subscribe to get the latest videos: http://professormesser.link/yt Calendar of live events: http://www.professormesser.com/calendar/ FOLLOW PROFESSOR MESSER: Professor Messer official website: http://www.professormesser.com/ Twitter: http://www.professormesser.com/twitter Facebook: http://www.professormesser.com/facebook Instagram: http://www.professormesser.com/instagram Google +: http://www.professormesser.com/googleplus
Views: 19719 Professor Messer
Backstreet Boys - Don't Go Breaking My Heart (Official Video)
 
03:51
Get the new Backstreet Boys album ‘DNA’ available now featuring “Don’t Go Breaking My Heart”, “Chances” and “No Place”! iTunes - http://smarturl.it/BSBxDNA/itunes?iQid=yt Apple Music - http://smarturl.it/BSBxDNA/applemusic?iQid=yt Spotify - http://smarturl.it/BSBxDNA/spotify?iQid=yt Amazon - http://smarturl.it/BSBxDNA/az?iQid=yt Google Play - http://smarturl.it/BSBxDNA/googleplay?iQid=yt Pandora - http://smarturl.it/BSBxDNA/pandora?iQid=yt Follow Backstreet Boys on Spotify to stay up to date on all new music! http://smarturl.it/BSBSpotifyFollow?iQid=YT Follow Backstreet Boys! Website - https://www.backstreetboys.com/ Facebook - https://www.facebook.com/backstreetboys/ Twitter - https://twitter.com/backstreetboys Instagram - https://www.instagram.com/backstreetboys/
Views: 45411746 BackstreetBoysVEVO
Setting up HA Groups (part 2 of 2)
 
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NOTE: This video uses BIG-IP version 13.0.0 An HA group is a configuration object you create and assign to a traffic group for devices in a device group. An HA group defines health criteria for a resource (such as an application server pool) that the traffic group uses. With an HA group, the BIG-IP system can decide whether to keep a traffic group active on its current device or fail over the traffic group to another device when resources such as pool members fall below a certain level.
Views: 2282 F5 DevCentral
how to verified weight and priority in DNS Server in command line
 
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This video i will show all of you, how to verifed weight and priority in DNS Server in command line on windows server 2012 r2 standard
Views: 355 Quick Resolve
Dragon Ball Super: Broly Trailer #3 - (English Sub)
 
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Funimation has released a new subtitled trailer for Dragon Ball Super: Broly. The new trailer offers our first look at Vegeta going Super Saiyan God and gives our best look yet at Goku and Vegeta's fight against Broly. The 20th Dragon Ball movie hits theaters in North America in January 2019. Dragon Ball Super: Broly Movie Trailer (English Dub Reveal) Exclusive - Comic Con 2018: https://www.youtube.com/watch?v=FHgm89hKpXU Dragon Ball Super: Broly Movie Trailer #2 - (English Dub Reveal) Exclusive - NYCC 2018: https://www.youtube.com/watch?v=ynuFEc_Zg5I ------------------------------­---- Follow IGN for more! ------------------------------­---- YOUTUBE: https://www.youtube.com/user/ignentertainment?sub_confirmation=1 IGN OFFICIAL APP: http://www.ign.com/mobile FACEBOOK: https://www.facebook.com/ign TWITTER: https://twitter.com/ign INSTAGRAM: https://instagram.com/igndotcom/?hl=en WEBSITE: http://www.ign.com/ GOOGLE+: https://plus.google.com/+IGN #ign #dbz #broly #anime
Views: 7998478 IGN
Haute disponibilité DNS - étape 1 - Préparation du labo
 
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Mise en place d'une solution multi-sites de serveurs DNS sous Linux. 2 x zones DNS sont synchronisées au travers d'un réseau routé afin d'assurer la Haute disponibilité et la répartition de charges.