Ensure that the server(s) listed above are running and connected to the network. If the timer service is not started, restart ...

Ensure that the server(s) listed above are running and connected to the network.  If the timer service is not started, restart the service by typing the following command at the command prompt on each server: "net start SPTimerV4."  If the server was intentionally removed from the farm, remove the record of the server from the SharePoint topology in the Central Administration site at |0.