When you use log shipping in SQL Server 2019, you may see errors like the following in log shipping job history:

DateTime  *** Error: Failed to convert parameter value from a SqlGuid to a String.(System.Data)

DateTime  *** Error: Object must implement IConvertible.(mscorlib) ***


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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