Event ID 12304 — Account Integrity

Applies To: Windows Server 2008 R2

The Security Accounts Manager (SAM) is a service that is used during the logon process. The SAM maintains user account information, including groups to which a user belongs. The SAM checks for duplicate accounts and duplicate security identifiers (SIDs).

Event Details

Product: Windows Operating System
ID: 12304
Source: SAM
Version: 6.0
Message: There are two or more objects that have the same account name attribute in the SAM database. The system has automatically renamed object %1 to a system assigned account name %2.


This is a normal condition. No further action is required.

Account Integrity

Active Directory