Unable to Log On after Renaming a User Object

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This article was previously published under Q234512

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SYMPTOMS

After you rename a User Object in Active Directory Users and Computers and try to log on with the new user name, you receive the following error message:

The system could not log you on. Make sure your User name and domain are correct then type your password again. Letters in passwords must be typed using the correct case. Make sure that Caps Lock is not accidentally on.

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CAUSE

This issue can occur when only the name of the user is changed but not the down level login name (such as JohnDoe or DomainName\JohnDoe), or the User Principal Name (UPN) (such as JohnDoe@DomainName.com).

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