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Event ID: 26 Source: LiveCommunicationsActiveDirectoryConnector

Tried to change an existing user to have a URI of, but the URI is already being used in the database. Use a URI that isn't already taken. The DN of the user whose URI we tried to change is: CN=user3,CN=Users,DC=EXAMPLE,DC=COM. This update came from the naming context: DC=EXAMPLE,DC=COM.
If you have a user in the Active Directory directory service who is enabled for Live Communications Server and you remove it, references to the removed user remain in the Live Communications Server 2003 database causing this event to be logged. See ME885342 for a hotfix applicable to Microsoft Office Live Communications Server 2003.

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