Microsoft Windows 2000 before Update Rollup 1 for SP4 does not apply group policies if the user logs on using UPN credentials with a trailing dot, which prevents Windows 2000 from finding the correct domain controller and could allow the user to bypass intended restrictions.
Link | Tags |
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http://support.microsoft.com/kb/821102 | patch vendor advisory |
http://support.microsoft.com/kb/900345 | patch vendor advisory |