ntpdate

HI,
/usr/local/bin/ntpdate -u 18.145.0.30 is not working .
errors comes:- 7 Feb 05:28:55 ntpdate[3140]: no server suitable for synchronization found
I followed the step from scratch installation of vicidial.
Please help me for synchronisation.
Thanks & regards
Arvind
/usr/local/bin/ntpdate -u 18.145.0.30 is not working .
errors comes:- 7 Feb 05:28:55 ntpdate[3140]: no server suitable for synchronization found
I followed the step from scratch installation of vicidial.
Please help me for synchronisation.
Thanks & regards
Arvind