Help Monitoring NT-based services

We have Netsaint running on a Linux box and want to monitor some services 
on some NT-based servers.

I'm having problems finding the right configuration to add to our existing 
config to permit it to monitor some services on an NT server (I'm the 
primary Windows admin who does have some Linux knowledge).  I want to 
particularly monitor the shared printing service, which nmap reports as 
port 515 tcp, as well as the service itself (should it fail) to get 
notified the service is down.

Thanks for any help

Scott



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