KB5023887- FIX: BizTalk Adapter for MQ is returning a NullReferenceException when handling messages with RFH headers containing data encoded with CCSID 923

Symptoms

The BizTalk Adapter for MQ is returning a NullReferenceException when handling messages with RFH headers containing data encoded with CCSID 923.

Status

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

Resolution

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

Cumulative Update 1 for Host Integration Server 2020

References

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