Event ID - 11

Event Id11
SourceMSExchangeES
DescriptionA fatal error (0x80040111) occurred in an IExchangeEventSink while processing message [Subject = ].
Event InformationCAUSE:
At least one script was last modified by someone who shares the same alias, surname, or display name as someone else in the global address list.</p> <p>The EventSink caches the information about the last person who modified the script. However, if there is more than one user in the global address list with the same alias as the person that last modified a folders Agent or Script, the Collaboration Data Objects (CDO) routine cannot determine which alias is the correct one, so it stops responding and logs the 80040111(MAPI_E_LOGON_FAILURE) error. This error creates the impression that the account that caused the script to run doesnt have the necessary permissions on the folder, which is not true. In fact, it is the CDO routine that fails to log on to run the script from within the Event Service.
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Reference LinksEvent ID 11 Logged in the Application Log

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