NTP settings

The file that you need to be edit should be located at:
/etc/inet/ntp.conf

The file should read something like:

# multicastclient 224.0.1.1

server <FQDN of your Time server>

logfile /var/ntp/ntp.log

driftfile /var/ntp/ntp.drift

First line relates to your time service, the second makes the service use a logfile and the third a drift file - which helps with any time drift.

Run the following command to enable the service:
svcadm enable ntp

Then check to see if the NTP service has kicked in by running the following:
ntpq -p

What you are looking for is a 377 entry under the reach heading - if you don't you're not getting a connection and will have to start troubleshooting