Get this error when trying to connect to the system Center Site server.
The ConfigMgr console could not connect to the ConfigMgr site database. Verify that this computer has network connectivity to the SMS Provider computer and that your user account has Remote Activation permissions on both the ConfigMgr site server and SMS Provider computers. For more information, see “How to Configure DCOM Permissions for Configuration Manager Console Connections” in ConfigMgr Help.
The server has been restarted and further down it says, Registry key ‘Software\Microsoft\ConfigMgr\AdminUI\QueryProcessors\’ not found
the key exists