KB5025760 - FIX: Credentials might get swapped between connections if multiple WCF-SAP adapter connections have different SNC external identifications

Symptoms

Assume that multiple WCF-SAP adapter connections from different send ports or receive locations are configured to have the same SAP destination and Secure Network Communications (SNC) but a different ExternalIdentificationData authorization binding property. The value of this binding property might be swapped between connections that are created from the same host instance.

Status

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

Resolution

This problem is fixed in the following cumulative update for BizTalk Server:

Cumulative Update 5 for BizTalk Server 2020

References

For information about the service packs and cumulative update list for BizTalk Server, see the following article in the Microsoft Knowledge Base:

2555976 Service pack and cumulative update list for BizTalk Server

For more information about BizTalk Server hotfixes, see the following article in the Microsoft Knowledge Base:

2003907 Information about BizTalk hotfixes and Cumulative Update support