To resolve this issue, make sure that the permissions on the MachineKeys folder are not corrupted.
For additional information about how to verify permissions on the MachineKeys folder, click the article number below
to view the article in the Microsoft Knowledge Base:
280432�
XADM: System Attendant Stops Working with a 9022 Event
After you verify that the permissions on the MachineKeys folder are not corrupted, rename the folder. When you rename the MachineKeys folder, you can manually start the Microsoft Exchange System Attendant service. The Microsoft Exchange System Attendant service then creates a new MachineKeys folder.
To rename the MachineKeys folder, follow these steps:
- In Windows Explorer, locate the following folder:
Drive:\Documents and
Settings\All Users\Application Data\Microsoft\Crypto\RSA\MachineKeys
NOTE: Where drive is the drive on which Windows is installed.
- Right-click the MachineKeys folder, and then click Rename.
- Type MachineKeys.Old, and then press ENTER.
- Quit Windows Explorer.
- Manually start the Microsoft Exchange System Attendant service.