SQL Server 2017 CU 23 update query

Var 41 Reputation points
2021-04-27T03:15:43.31+00:00

Hi,
Few weeks back we had applied SQL Server 2017 RTM CU(KB4583457) GDR on our Prod system which is running on SQL Server 2017 CU22. Now with SQL Server 2017 CU 23 release, can we directly apply this patch on top of GDR update? or should we rollback SQL Server 2017 RTM CU(KB4583457) GDR and then apply CU23. Please clarify.

Regards.
Var

SQL Server
SQL Server
A family of Microsoft relational database management and analysis systems for e-commerce, line-of-business, and data warehousing solutions.
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  1. Cris Zhan-MSFT 6,566 Reputation points
    2021-04-27T05:51:20.107+00:00

    Hello @Var ,

    >can we directly apply this patch on top of GDR update? or should we rollback SQL Server 2017 RTM CU(KB4583457) GDR and then apply CU23.

    You can directly apply CU23.

    I tested this situation in my environment and came to the conclusion that we can directly apply CU23 for the instance of SQL Server 2017(RTM-CU22-GDR) (KB4583457) without uninstalling the security update for SQL Server 2017 CU22 ( KB4583457).

    1 person found this answer helpful.