Permission Issues
Microsoft Exchange Server 2007 will reach end of support on April 11, 2017. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.
Microsoft Exchange Server 2007 is tightly integrated with Active Directory in an organization. To operate correctly, Exchange 2007 requires appropriate permissions to be assigned in Active Directory. Also, to manage user access to mailboxes and other objects in Exchange, Exchange 2007 refers to the permissions that have been assigned to the particular user or users in Active Directory. If an issue exists with the permissions that are assigned to a user or if an issue exists with the permissions that are assigned to the Exchange service accounts, you may experience issues with mailbox access or with Exchange functionality.
The following topics will help you troubleshoot permission-related issues with Exchange 2007:
For More Information
For more information about permissions, delegating roles, and the rights that are required to administer Exchange 2007, see Permission Considerations.