Microsoft KB Archive/188594

= XADM: Event ID 1023 Reports Logon Failure Audit =

Article ID: 188594

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 5.0 Standard Edition
 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q188594



SYMPTOMS
Th Event Viewer application log displays several events similar to the following:   Event ID: 1023 Source: MSExchangeIS Private Type: Failure Audit Category: Logons Description: MESSAGING\ServiceAccount was validated as  /o=Organization/ou=Site/cn=Recipients, Utility/cn=MSExchangeMCA but was unable to log on to  /o=Organization/ou=Site/cn=Recipients/cn=mailbox.



CAUSE
This event is logged when you run MBClean from a server where the user mailboxes do not reside. This event is informational only and does not result in any failures in running MBCLean. The event can be ignored.



WORKAROUND
Install MBClean on a server where the user mailboxes are located.

Keywords: kbprb KB188594

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