Zone number failed zone refresh check. Unable to connect to master DNS server at name to receive zone transfer.
A network problem might have occurred, or the specified DNS server might be down.
Use the ping utility to check the server specified in the message. If pinging fails, contact your network administrator to verify that the network is operating properly. If pinging succeeds, check to see if DNS is running on the server. If it is, try stopping and restarting the service by using Services in Control Panel.