Published: May 25, 2011
Updated: April 17, 2012
Applies To: Windows Server 2008 R2
Deletes all information for the specified realm from the registry. For examples of how this command can be used, see Examples.
ksetup /removerealm <RealmName>
The realm name is stated as an uppercase DNS name, such as CORP.CONTOSO.COM, and it is listed as the default realm when ksetup is run.
The realm name is stored in two places in the registry: HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001 and \CurrentControlSet\Control\Lsa\Kerberos.
You cannot remove the default realm name from the domain controller because this will reset its DNS information, and removing it might make the domain controller unusable.
Mistakenly set the realm name by misspelling “.COM” on the local computer to CORP.CONTOSO.CON
ksetup /setrealm CORP.CONTOSO.CON
Remove that erroneous realm name from the local computer:
ksetup /removerealm CORP.CONTOSO.CON
Verify the removal by running ksetup and review the output.
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