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Event ID: 12293 Source: SAM

Source
Level
Description
There are two or more objects that have the same SID attribute in the SAM datatbase. The Distinguished Name of the account is CN=cn,CN=cn,DC=dc,DC=dc. All duplicate  accounts have been deleted. Check the event log for additional Duplicates.
Comments
 
See ME315062 and ME816099 for information on how to find and clean up duplicate security identifiers with Ntdsutil in Windows 2000 and Windows 2003.

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