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Linked Server with Always-On Availability Group Listener uses UDP or TCP or...

We have Always-On Availability Group for two different setup: Always-On Setup 1 with Listener1: 3 Servers in one data center and 2 servers in another data center Always-On Setup 2 with Listener2: 3...

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Event 1069

Hi I just wanna asked why we are encountering this error ? It is only the error we see before the failover .Stating" Cluster resource ""of type SQL Server Availability  Group in cluster role “”

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Failed to bring Availability Group "XYZ" online. The operation timed out ****...

Hello,I'm trying to create a 2-node SQL Server 2019 AlwaysOn Availability Group but keep getting this error.  See attached screenshot.These two member nodes are Azure SQL VM's.  Before it failed at the...

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Patching nodes in a SQL Server Always On Availability Group

HiI'm aware of the widely recommended practice for applying SQL Server CU patches to the nodes in an AG, i.e. patch the secondary replica, fail over, patch the new secondary, then optionally fail...

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AlwaysOn Availability Groups - What happens when the transaction log is full?

Description of the situation: We installed 2 "Microsoft SQL Server" instances (version 2016 [13.0.5698.0] Enterprise edition) and 1 Availability Group (For example with names: NAVDB02, NAVDB03 and...

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Setting up Service broker for cross db communication on SQL server 2016 with...

Hello - Currently the SQL server 2008R2 is in Active/Passive cluster and the service broker between 2 servers setup is working .Our plan is to upgrade to SQL server 2016 with  Databases in Availability...

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FCI + S2D - domain controller necessary?

Hi. I have followed instructions to setup S2D without a domain controller:...

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sql always on- multi subnet

we are facing an issue of sql cluster always on. I am not an sql guy but a system guy.Two node SQLnode1 can ping all the ips of node 2from node 2 , we cannot ping the Listener Ip itself. Cluster name...

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Database Shrinking files

We plan to shrink some of our data files to reclaim the unused space. we are thinking of shrinking files in very smaller chunks and see if it works. All the files in the file groups are aprox 800gb in...

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Automatic Redirection of Connections Based on read/write Intent in SQL server...

Hi Team,Trying to understand-what exactly made changes in sql server 2019  on the "Secondary to primary replica connection redirection".Can any one give what exactly in an very simple term-can this...

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WSFC and AAG in 2016

Hi, is it possible to implement a 4 node AAG on a WSFC in SQL/Windows Server 2016 ? The online documentation I have read seems to suggest that you can only do this in SQL Server 2019 ?Thanks

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Remove Unnecessary SQL Transaction Log in AlwayOn

Hi Team,What is the procedure to remove Unnecessary SQL Log which is part of alwayson? Both  nodes are in Async mode.actually as part of troubleshooting we added this 2nd Transactional log...

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SQL Server 2017 Backup strategy

Hi All, RTO is 8 hours RPO is 24 hours Retention Period: 5 days Based on above values I have plan to configure below backup stratgey for Production. Please suggest if there is any changes required in...

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Always-on : Log Cache, Log pool, Log capture

I am getting a bit confuse of the terms  Log Cache, Log pool, Log capture .1. Are these resize in SQL buffer memory ?2. Log cache, as I know should be 60KB (fixed size) , what about Log pool and Log...

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Easy question about Always On

Hi there, In my 0S 2016 vm, got two instances : 13.0.5698.0  (Standard) and 14.0.1000.169 (Sql Server Developer)is it possible to deploy an Always On setup? Or do I need to upgrade from Developer to...

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SQL Server Always On Gap Analysis

Hi,We have 2 node SQL Server 2017 Always On setup in our environment. Can anyone tell me how can I find he gap/lag between primary and secondary replica? Is it possible to find gap by time or the gap...

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SQL Server AlwaysON cannot failover if you changed default port number

Hello,I have installed 3 nodes SQL Server 2016 with AlwaysON (2 nodes for HA- in same Location + 1 node for DR- in different Location)I have changed SQL Servers' s default port number (different than...

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Cloud witness

I come across the following link about cloud witness https://docs.microsoft.com/en-us/windows-server/failover-clustering/deploy-cloud-witnessSuppose I am going to deploy a AAG (3 nodes ) 2 nodes in the...

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AlwaysOn AG on SQL 2016

Hope all doing good, I have SQL 2016 AlwaysOn setup with 3 NODES with 2 Availability Groups, When I do Fail-over to another Replica from primary, My Server Session (RDP) disconnects immediately.Domain...

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Always on Availability Group Basic and one additional SQL instance only on 1...

Hi to all,I will deploy an SQL Server Always on availability group basic with 2 nodes for using with Configuration Manager and getting high availability with 2 DB (SQL Server 2017).Besides, I would...

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