Проверьте наличие группы
Exchange Servers в
Local Security Police\Local Policies\User Rights Assignment\Manage Audit and Security Log на DC
Log in to the Domain Controller as an administrator.
Click on "Start -->>All Programs -->>Administrative Tools -->>Local Security Policy.
Open the Security Settings -->>Local Policies -->>User Rights Assignment -->>Manage Audit and Security Logs
Click on "Add User/Group" and add the corresponding user.
Как на скриншоте
