UNP.MESG.GENERR:Microsoft.BizTalk.Component.MIMEException

Event Type:    Error
Event Source:    BizTalk Accelerator for RosettaNet
Event Category:    None
Event ID:    4096
Date:        10/29/2008
Time:        11:24:12 AM
User:        N/A
Computer:    DEMO06APP
Description:
Source module:
RNMIMEDecoder

Correlation information:

Description:

Receive pipeline rejected incoming message
due to the following RNIF exception:
UNP.MESG.GENERR : Failed with a general exception.

Details:
Exception of type 'Microsoft.BizTalk.Component.MIMEException' was thrown.

 

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This error means that S/MIME component is not able to retreive a certificate from a certificate store.

Please double check the following:

1) Your certificate services are running.

2) Host instance used when generating an MDN is able to access profile with certificate specified. If you are generating a sync MDN then it will be generated from a isolated host instance, which runs under your IIS account. By default profile for IIS is not loaded, and that might give you this problem.