XCON: MTA: Content Conversion Error 210 with ISO 6937 Bodypart (163690)

SYMPTOMS

When receiving a message from a foreign X.400 MTA that has an ISO 6937 Bodypart and an IA5 Bodypart, Microsoft Exchange Server may log the following event to the Windows NT Event Log:

   message NMI0210: X.400 Service Event, severity 14

          (MTA DISP:FANOUT(15) Proc 112) 07-25-96 02:16:17pm
            Content conversion failed
            Object at fault  06000050
            Conversion error 26
            MTS Identifier
   C=CH;A=400NET;P=SANDOZTEST;L=0039400001003278000002
            Old content type 56010A01
            New content type 2A864886F7140501

The message cannot be delivered, and a Non Delivery Report is created.

CAUSE

This is caused by an invalid encoding on the foreign X.400 system. The following is an excerpt from a traced message:

...
   223    3080             Body starts here
   225        AD80         ISO6937 Body Part starts here
   227          3180          ISO6937Parameters
   229          0000
   231          306B          SEQUENCE OF starts here (ISO6937Data)
   233              A080         invalid encoding
   235                  040A 20202020204B7572742C  . . . . .K.u.r.t.,.
   OCTET_STRING (ISO6937Line)
   247              0000
   249              8000         invalid encoding
...

STATUS

Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 4.0. This problem was corrected in the latest Microsoft Exchange 4.0 U.S. Service Pack. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K