Assume that you configure WCF-SQL adapter to perform FILESTREAM operations on SQL Server database. SQL Server Native Client is not required for Microsoft BizTalk Server 2020 WCF-SQL adapter, but if you don't have SQL Server Native Client installed, you notice that message processing fails with error like "could not load sqlncli11.dll".
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
This problem is fixed in the following cumulative update for BizTalk Server:
Cumulative Update 1 for BizTalk Server 2020
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:
2003097 Information about BizTalk hotfixes and Cumulative Update support