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FIX: AS2 message signing fails with error or contains two signatures for one message with SHA256 signing algorithm in BizTalk Server

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Symptoms

When you configure a BizTalk application to use the SHA256 signing algorithm of Applicability Statement 2 (AS2) messages in Microsoft BizTalk Server, you may notice an unexpected behavior that one AS2 message contains two signatures, or you may receive an error message that resembles the following:

Error details: There was a failure executing the send pipeline: "Microsoft.BizTalk.EdiInt.DefaultPipelines.AS2Send, Microsoft.BizTalk.Edi.EdiIntPipelines, Version=3.0.1.0, Culture=neutral, PublicKeyToken=TokenID" Source: "AS2 encoder" Send Port: PortID URI: FilePath Reason: The MIME encoder failed to sign the message because the certificate has private key protection turned on or the private key does not exist

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Resolution

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

       Cumulative Update 4 for Microsoft BizTalk Server 2016

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Status

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

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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

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Keywords: kb, kbqfe, kbfix, kbexpertiseadvanced, kbsurveynew, AS2 message signing fails

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Article Info
Article ID : 4057319
Revision : 12
Created on : 1/26/2018
Published on : 1/30/2018
Exists online : False
Views : 343