Windows Deployment Services cannot be located on the specified server. The server may be down, there may be problems with ...

Windows Deployment Services cannot be located on the specified server. The server may be down, there may be problems with the network, the Windows Deployment Services might not be installed, the installation may be corrupt or you may not have permissions to access the server. 

To retry the connection, either press F5, or on the Action menu, click Refresh.