Remote Help Desk

I’m a Tech Junkie, find alternatives solutions was what i was allways good at.

Currenly i working for a company that has about 100 pc and a AS400 box that runs v4r5, and 2 lan mading a Wan.

The pc’s r on rnning WINNT 4.0 i would like to do remote administrator/remote helpdesk on these pc’s using the existing system.

Can anyone advise please