Solaris 10 uses the svcadm application for starting and stopping services and class’s any scripts in /etc/init.d as a legacy way of doing this.
Display services
svcs
Turning on
svcadm start sendmail
Turning off
svcadm stop sendmail
Disabling
svcadm disable sendmail
Note: Here is a good blog which has information on how to convert your rc scripts into SMF format.
http://prefetch.net/blog/index.php/2005/11/12/converting-an-rc-script-to-an-smf-manifest/