XADM: Error c103073a Occurs When Attempting to Start the Exchange Administrator Program

When you attempt to start the Microsoft Exchange Server Administrator program, you may receive the following error message:

This error message can occur if you do not have sufficient rights to modify the Mapisvc.inf file in the Windir\System32 directory when you start the Administrator program. You must have Change permissions or higher to start the Administrator program.

Have your administrator follow these steps to grant you the right to modify the Mapisvc.inf file:

1. Log on to the computer with the Administrator account.
2. Right-click the Windir\System32\Mapisvc.inf file, and then click Properties.
3. Click the Security tab, and then click Permissions.
4. Add the appropriate Windows NT user or group to the list.
5. Give the users the Modify right.