Not enough storage is available to complete this operation


Running dcpromo to remove a domain controller from domain, I received the following error message

As Microsoft says in KB Article:

“This problem occurs because the Kerberos token that is generated during authentication is more than the fixed maximum size”

In order to fix that, just create a DWORD registry value

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\Kerberos\Parameters
MaxTokenSize=dword:65536

and restart the computer

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