March 23, 2025 at 12:31 pm
SQL FCI Instance certificates
I have a client who has a requirement for certificates bound to the instance in a FCI environment. I have create the certificate and installed on both nodes, but I get a cluster error when failing over. The environment setup
Node1
Node2
FCI Instance name\SQLInstance
Have set the FCI and the certificate CN name and added the nodes as subject alternative names. Do I just request the cert from the active node and copy it to other nodes and add the thumbprint to the reg as well
March 24, 2025 at 1:10 pm
Thanks for posting your issue and hopefully someone will answer soon.
This is an automated bump to increase visibility of your question.
March 31, 2025 at 6:36 am
Yes, the thumbprint needs to be the same on all the nodes.
Original author: https://github.com/SQL-FineBuild/Common/wiki/ 1-click install and best practice configuration of SQL Server 2019, 2017 2016, 2014, 2012, 2008 R2, 2008 and 2005.
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April 6, 2025 at 6:59 am
The SQL Server service accounts need read permissions on the private key of the certificate, on both nodes.
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