To successfully back up the Kmsdata directory so that all security keys are
recoverable, perform the following steps:
- Stop the Microsoft Exchange Key Management Server service.
- Run backup or make a copy of the Kmsdata directory (drive:\Exchsrvr).
- When the offline backup or the copy has completed, verify that all files
have been copied.
- Restart the Microsoft Exchange Key Management Server service.
To restore the directory or recover lost files, perform the following
steps:
- Ensure that the Key Management Server service is stopped.
- Restore the Kmsdata directory from backup to the
drive:\Exchsrvr\Kmsdata directory.
- In Control Panel Services, highlight the Microsoft Exchange Key
Management Server.
- Type in the Key Management Server password or insert the disk, and then
start the Microsoft Exchange Key Management Server service.