It is always good to include the whole event details, when posting your
event ID's as they contain important error codes, that have particular
meaning. You can start by checking out this link http://www.eventid.net/display.asp?eventid=1202&source= for possible
solutions. Otherwise post back with the whole EventID details.
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Regards
Matjaz Ladava, MCSE, MCSA, MVP
Microsoft MVP - Active Directory