When you upgrade to Microsoft BizTalk Server 2013, SSH FTP (SFTP) adapter can't receive data from certain SFTP servers. Additionally, you receive the following error messages:

<Date><Time> BizTalk Server Error 5753 A message received by adapter "SFTP" on receive location "AccountingAndControl.BusinessIntelligence.TransferProjectID.ReceiveProjectID.SAPBW.SFTP" with URI "sftp://<Host Name>:22//*.xml" is suspended. Error details: There was a failure executing the receive pipeline: "Microsoft.BizTalk.DefaultPipelines.PassThruReceive, Microsoft.BizTalk.DefaultPipelines, Version=, Culture=neutral, PublicKeyToken=31bf3856ad364e35" Source: "Unknown " Receive Port: "AccountingAndControl.BusinessIntelligence.TransferProjectID.ReceiveProjectID" URI: "sftp://<Host Name>:22//*.xml" Reason: There is no Unicode byte order mark. Cannot switch to Unicode. MessageId: {<MeaasgeId>} InstanceID: {<InstanceId>}


The issue occurs because directory listing fails when the SFTP server connections are not kept alive. The listing is needed to know what files can be received.


Cumulative update information

This issue was first fixed in the following cumulative update of BizTalk Server:


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


To work around the issue, manually receive the data with batch SFTP operations and then select the files from the folder.

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