The IMSAdminBase::Restore method restores the metabase from a backup. The restore operation stops all services dependent on IISADMIN, including all servers, until the restore has completed, then restarts all services. You should plan for this service interruption when restoring the metabase from a backup.
Returns an HRESULT that contains one of the values listed in the table below. Other errors can also be returned that are passed through from the file system, or from a CryptoAPI when secure metabase data is being saved, or from registry operations.