Active Directory Domain Services could not delete the following key from the registry. This error was encountered during ...

Active Directory Domain Services could not delete the following key from the registry. This error was encountered during the Active Directory Domain Services recovery process after a restore operation. 
 
Registry key: 
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services
TDS\Parameters
ew database GUID 
 
User Action 
Delete this key manually to prevent problems with future backup or restore operations. 
 
Additional Data 
Error value:
%1 %2