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Community Member

NTP Server not accessible in CUCM 5.1(3)

When I add a NTP server on the publisher, it always shows as "not accessible".

Any ideas on how to make it available?

2 REPLIES
Hall of Fame Super Silver

Re: NTP Server not accessible in CUCM 5.1(3)

Make sure you can access the ntp device on port 123, see if you can telnet to that port on that device. Also, try removing the ntp, set the clock mnaually to the ntp server as close as possible and then re-add the ntp server, wait few hours and see if it synchronizes.

Chris

Community Member

Re: NTP Server not accessible in CUCM 5.1(3)

please check the stratum value of ntp server is 9 or higher.if stratum value of ntp server is lessthan 9 callmanager didn't receive the time from ntp server.

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