KB4556244 - FIX: Credential update frequency option is added to mssql-conf option in SQL Server 2019 on Linux


This fix adds new functionality in SQLPAL to allow long-running linked server queries with Active Directory (AD) connections. The mssql-conf option name is "network.kerberoscredupdatefrequency" and the accepted parameters are any positive, non-zero number which represents the number of minutes between checks for credentials that need updating. Accordingly, you can use this mssql-conf option to modify the time interval between credential checks that need to be updated.


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.


This issue is fixed in the following cumulative update for SQL Server:

About cumulative updates for SQL Server:

Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:


Learn about the terminology that Microsoft uses to describe software updates.

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