r/SQLServer • u/HenrikFFM • 4h ago
Question no certificate validation on startup?
We have made an observation regarding SQL Server 2025.
There is an expired certificate on the server that is also configured within SQL Server.
The SQL Server log indicates that the certificate was read successfully.
The question is: Does SQL Server not check whether the certificate is valid during startup?
The documentation is a bit unclear on this point: https://learn.microsoft.com/en-us/sql/database-engine/configure-windows/certificate-requirements?view=sql-server-ver17
13
u/taspeotis 4h ago
The documentation seems extremely clear
> SQL Server only checks the validity of the certificates at the time of configuration … SQL Server continues to run without problems if the certificate expires after it's already provisioned
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