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Linked or any other mailbox has insufficient rights on OWA

After the migration from Exchange 2003 to Exchange 2007, some users could not access their mailbox through OWA. On your first login to OWA 2007 you need to select the language OWA will be displayed in. After the language selection and hitting Next button, you get following screen:

Authenticated

The solution to the problem lies in Allow permissions inheritance for Authenticated users under permissions for the account that has the problem.

  1. Open the Properties of the user under Active Directory Users and computers
  2. Go to Security tab (if you don’t see security tab, be sure you have View –> Advanced features selected)
  3. Click Advanced
  4. Check if Allow Inheritable permissions is checked
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