Lets see a common NTP error message and its solution what to check when we have an error “No Current Time Source”.
I. Error Message
"No Current Time Source."
It means that none of the available time sources' server are being used to synchronize the client.
1. First Check that the NTP server or peer is operational. 2. If they are available, please check system logs (/var/log/messages on the client and server) for further information.