Microsoft KB Archive/174236

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XGEN: MBCLEAN Deletes Messages with Blank Received Times

Article ID: 174236

Article Last Modified on 8/28/2007


  • Microsoft Exchange Server 5.0 Standard Edition

This article was previously published under Q174236


The Mailbox Cleanup Agent deletes messages that have a blank Received Time.


Mailbox Cleanup Agent is a server-based Exchange Utility in the "Microsoft BackOffice Resource Kit" and the "Microsoft Exchange Resource Kit" that can be used to delete older e-mail messages. It uses the MAPI property PR_MESSAGE_DELIVERY_TIME or "Received Time" to determine whether a message meets the criteria for deletion. Messages that do not contain this property or have an invalid value for this property are deleted.

Note that Microsoft Exchange Client and Microsoft Outlook assign a blank Received Time to mail messages in the Sent Items folder that are composed while you are working offline.


This has been fixed in Mailbox Cleanup Agent, Mbclean.exe, version 1.8. It has been updated so that messages which have a blank or invalid Received Time are not deleted.

Additional query words: MCA

Keywords: kbbug kbfix KB174236