NAGIOS web service checker

First off, thank you for this tool...it is making my life easier when trying to incorporate the Windows machines into monitoring and not having to install a client on each machine.

Now, for my question. I am doing a check on memory:

./check_wsc_v14.pl -H <hostname> -r <wsc-webhost> -p '1%,0%,25%,10%' -t memory
Result: Memory Ok |'Free PMem'=324419584B;;;0;8320720896 'Free VMem'=4136476672B;;;0;12160659456
Physical Mem: 309.39MB/7.75GB (4%)
Virtual Mem: 3.85GB/11.33GB (34%)
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The virtual memory is coming back just about 3 times higher than what is really assigned. There is only 4G assigned to virtual memory, but the app is reporting almost 12G. Any ideas?

running check_wsc_v14.pl on RHEL5 system
running nagios-wsc v1.3.4 on Windows Server 2003 SP2
issue arising when connecting to Windows 2000 SP4 and Windows Server 2003 SP2