[CentOS] NTP error message on /var/log/messages

[John R Pierce]

mcclnx mcc wrote:
> I just setup CENTOS 4.7 with latest patches on DELL server.  I also configured NTP point to out time server.  I found /var/log/messages file every 20 to 30 minutes will generate a error message :
>
> Mar 15 14:28:15 SER1 ntpd[25037]: sendto(172.29.21.16): Invalid argument
> Mar 15 14:45:22 SER1 ntpd[25037]: sendto(172.29.21.16): Invalid argument
> Mar 15 15:02:29 SER1 ntpd[25037]: sendto(172.29.21.16): Invalid argument
>   

I'd take a look at /etc/ntpd.conf as it sounds like something is setup 
wrong in there.   is that IP your NTP server?

.