You can add the T610 to your domain. You will need to log onto the machine in Administrative mode and then go to the control panel. Under the Management tab there is a setting called "AD/DNS Manager", you can set all your relevant parameters there.
The following PDF is helpful (the specific information is on page 49):
http://h10032.www1.hp.com/ctg/Manual/c03380361.pdf Opens a new window