Symptoms
Assume that you use an SFTP adapter to receive files from a remote SFTP server. If you use assembly redirection to use any WinSCP version after version 6.1.2, the BizTalk host instance process terminates, and the following details appear in the application event log:
Application: BTSNTSvc64.exe
Framework Version: v4.0.30319 Description: The process was terminated due to an unhandled exception. Exception Info: System.MissingMethodException at Microsoft.BizTalk.Adapter.Sftp.SftpFileReceiver.PollSftpServer()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:
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 Server hotfixes, cumulative updates, and service packs