Microsoft KB Archive/247128

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XCON: Message Categorizer Uses GUID of Home MDB Object to Set DSN for Local Recipients

Article ID: 247128

Article Last Modified on 2/27/2007


  • Microsoft Exchange 2000 Server Standard Edition

This article was previously published under Q247128


When the Message Categorizer categorizes local recipients, it requires the globally unique identifier (GUID) information for the home message database (MDB) object as part of the processing. While previously this information was obtained from the GUID of the Maildrop object (which has the first 32 bits representing the GUID of the home MDB), the possibility of corruption exists.


GUID information corruption can cause the Delivery Status Notifications (DSNs) for a local recipient to not be set and can cause non-delivery reports (NDRs) to disappear.

Keywords: kbinfo KB247128