FIX: "The BizTalk Accelerator for RosettaNet registry key is missing" error occurs in BizTalk Server

Symptoms

Assume that you have a 64-bit host instance that's running BizTalk Accelerator for RosettaNet (BTARN) orchestration on Microsoft BizTalk Server. In this scenario, you may receive an error message that resembles the following:

Resolution

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

       Cumulative Update 4 for Microsoft BizTalk Server 2016

Status

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

References

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

2555976 Service pack and cumulative update list for BizTalk Server

For more information about BizTalk Server hotfixes, click the following article number to view the article in the Microsoft Knowledge Base:

2003907 Information about BizTalk hotfixes and Service Pack support