Key Management Server Backup and Disaster Recovery

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To successfully back up the Kmsdata directory so that all security keys are recoverable, perform the following steps:

1. Stop the Microsoft Exchange Key Management Server service.
2. Run backup or make a copy of the Kmsdata directory (drive:\Exchsrvr).
3. When the offline backup or the copy has completed, verify that all files have been copied.
4. Restart the Microsoft Exchange Key Management Server service.

To restore the directory or recover lost files, perform the following steps:

1. Ensure that the Key Management Server service is stopped.
2. Restore the Kmsdata directory from backup to the drive:\Exchsrvr\Kmsdata directory.
3. In Control Panel Services, highlight the Microsoft Exchange Key Management Server.
4. Type in the Key Management Server password or insert the disk, and then start the Microsoft Exchange Key Management Server service.