Account Upgrade

Updated: November 25, 2009

Applies To: Windows Server 2008

When a computer is promoted to become a domain controller, the promotion process imports user accounts from the local computer's Security Accounts Manager (SAM) database into the Active Directory database.

Events

Event ID Source Message

16384

SAM

The account %1 could not be upgraded since there is an account with an equivalent name.

16385

SAM

An error occurred upgrading user %1. This account will have to be added manually upon reboot.

16386

SAM

An error occurred trying to read a user object from the old database.

16387

SAM

An error occurred upgrading alias %1. This account will have to be added manually after the computer is restarted.

16388

SAM

An error occurred trying to read an alias object from the old database.

16389

SAM

An error occurred upgrading group %1. This account will have to be added manually after the computer is restarted.

16390

SAM

An error occurred trying to read a group object from the old database.

16400

SAM

An error occured trying to upgrade the following SAM User Object: %1. The user object upgrade will attempt to continue, but the object might contain inconsistent data. Check the record data of this event for the error code.

16405

SAM

During the installation of Active Directory Domain Services, this server's machine account was deleted, which prevents this domain controller from starting.

Related Management Information

DB Upgrade/DC Promotion/DC Demotion

Active Directory

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