AD Users Authetication

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Occasional Visitor

We have Windows 2003 Server Enterprise version for our Primary and Secondary AD Servers. Currently our Primary server is down due to raid failure. All the FSMO Maters are in Primary. But according to my knowledge without PDC master users cannot authenticate especially new users. But all the users (existing and new users) can authenticate without any issues.

 

Anyone have any explanation how is this working?

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