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Dynamics 365 Community / Forums / Customer experience | Sales, Customer Insights,... / Need Help Configuring ...
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Need Help Configuring AlwaysOn Availability Groups for Dynamics 365 v9

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Posted on by meysam 35

Hello 

Our organization decided to change a live Dynamics 365 v9(Production Environment) database connection to an SQL server always-on availability group with SQL Listener

I researched and find this article :
https://docs.microsoft.com/en-us/previous-versions/dynamicscrm-2016/deployment-administrators-guide/jj822357(v=crm.8)?redirectedfrom=MSDN
But the above article is for the 2016 version and in V9, the Microsoft.Crm.SqlClr.Helper.dll is missing!
All I want is to know :
Does anyone did this before? if so, what is your secure and risk-free way to get this job done.
 
By risk-free, I mean no failure for the server, because we have a lot of active sessions and users working with the server.
And keep data and its integrity safe.

Thank you in advance. 
  • Suggested answer
    Platon Vasilchenko Profile Picture
    Platon Vasilchenko 4 on at
    Need Help Configuring AlwaysOn Availability Groups for Dynamics 365 v9
    Hello. 
    MSCRMSqlClrLogin SQL login, the asymmetric key for it, and Microsoft.Crm.SqlClr.Helper.dll aren’t required with Dynamics 365 Customer Engagement (on-premises), version 9.
  • BB-07082110-0 Profile Picture
    BB-07082110-0 on at
    RE: Need Help Configuring AlwaysOn Availability Groups for Dynamics 365 v9

    I have done this before in the past.  The biggest issue is the overhead for using Always on but it works flawlessly.   You will definitely need to be carefully when you are patching the servers as well.

    You can do testing as well.  When it fails over, it usually slows down for a short span and then continues on.   

    There are also some YouTube videos about the subject.. 

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