Script Monitor - Telnet Windows XP

Script Monitor - Telnet Windows XP

I've tried every combination to get the script monitor going, I keep getting the same error

Could not establish a session with the host. Kindly check the host information.

I can manually telnet to the machine, so I know it's working.  The machine I'd like to Telnet to is a Windows XP SP3 machine, is there any limitations ?

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