Mektozo , Just another Contoso ! :)

I was doing an Upgrade for Exchange 2003 to Exchange 2010 and after i installed the first CAS server and opened the EMC an error appeared that i have no permissions... while i was logged in with the setup account and it was a memeber of the Organization Managemnet Group. and i founbd this in the Applicaiton Log  "(Process w3wp.exe, PID 6716) "RBAC authorization returns Access Denied for user Udomain.Local/Users/AccountName. Reason: No role assignments associated with the specified user were found on Domain Controller XXXXX" " After alot of searches i was pulling my remaining hair out :)  I  found this post ( http://social.technet.microsoft.com/Forums/en-US/exchange2010/thread/fc568cc6-8691-4127-b70b-bcc82f9b1f7f?prof=required ) The issue was with 2 things : Allow inheritable permissions check Box was not enabled on the Exchange  Microsoft Exchange Organzaiton container inside the Configuration partition. The value for the attributes msExchRoleLink ...