Manually Restoring a DHCP Database
1. Open DHCP Management Console. Click Action and select Restore...
2. Navigate to where the DHCP is backup. Select it and click OK
3. Click Yes
4. Wait for the DHCP Server services to stop and start
5. If the status of the service does not update, press F5 to refresh the DHCP console
5. If the status of the service does not update, press F5 to refresh the DHCP console