Hi:
Since i have created domain controller where name is xxxxx.com but when i
join computer to domain those are registered as xxxxx.cm and when users login
it takes much time to intiate login session. Then i created a new forward
lookup zone with xxxxx.cm now users can login properly. Now additional doamin
controller and computer all are registered some times as xxxxx.com and some
of them as xxxxx.cm. I can't delete the later created lookup zone becuase it
will create many problems.I really don't understand how to solve this
problem, i searched in many microsoft documents i was unable to find any
thing. If any one have understood the question and have idea please guide me
through.

Thanks
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Essa