GMS needed to check a user’s password. GMS has been configured to use the Windows authentication service. When GMS attempted to check the password, the operating system returned an error.
In this case, GMS was attempting to check the password for the account Undefined@Undefined and the operating system responded with the error code Undefined.
This is not a problem with GMS. To find out more about the error returned, please check the Knowledge Base for your operating system.
Keywords:Windows authentication SAM 8407