Consider the following scenario:
You have an instance of Microsoft SQL Server installed on a computer.
You enable additional Local Security Authority (LSA) protection.
In this scenario, you can't change the password for the SQL Server service account.
This issue is fixed in the following cumulative updates for SQL Server:
Cumulative Update 26 for SQL Server 2017
Cumulative Update 9 for SQL Server 2016 RTM
Cumulative Update 6 for SQL Server 2016 SP1
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:
Latest cumulative update for SQL Server 2017
Latest cumulative update for SQL Server 2016
For more information about how to configure additional LSA protection, see Configuring Additional LSA Protection.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Learn about the terminology that Microsoft uses to describe software updates.