IIS was unable to restore the previous version of the configuration store because of one of the following reasons: 1) The ...

IIS was unable to restore the previous version of the configuration store because of one of the following reasons:
1) The previous version of the configuration store was corrupt.
2) One or more MTS packages or component 

s have been manually removed or corrupted.
3) Another user is attempting to administer an application in this configuration store.

Please try again later or contact your system administrator.