As a follow up, here is the output from nsclient.exe Launching test mode - client mode d NSClient++.cpp(477) Attempting to start NSCLient++ - 0.3.6.325 2009-02-07 d NSClient++.cpp(880) Loading plugin: CheckDisk... d NSClient++.cpp(880) Loading plugin: Event log Checker.... d NSClient++.cpp(880) Loading plugin: Check External Scripts... d NSClient++.cpp(880) Loading plugin: Helper function... d NSClient++.cpp(880) Loading plugin: CheckSystem... d NSClient++.cpp(880) Loading plugin: CheckTaskSched... d NSClient++.cpp(880) Loading plugin: File logger... l \FileLogger.cpp(93) Log path is: C:\Program Files\NSClient++\\nsclient.log d NSClient++.cpp(880) Loading plugin: LUAScript... d NSClient++.cpp(880) Loading plugin: NRPE server (w/ SSL)... d \NRPEListener.cpp(91) Loading all commands (from NRPE) d \NRPEListener.cpp(121) Starting NRPE socket... d \PDHCollector.cpp(66) Autodetected w2k or later, using w2k PDH counters. d \PDHCollector.cpp(103) Using index to retrive counternames d \PDHCollector.cpp(123) Found countername: CPU: \Processor(_total)\% Processor Time d \PDHCollector.cpp(124) Found countername: UPTIME: \System\System Up Time d \PDHCollector.cpp(125) Found countername: MCL: \Memory\Commit Limit d \PDHCollector.cpp(126) Found countername: MCB: \Memory\Committed Bytes d NSClient++.cpp(880) Loading plugin: NSClient server... d NSClient++.cpp(880) Loading plugin: SystemTray... e \SysTray.cpp(51) SysTray is not installed (or it cannot interact with the desktop) SysTray won't be loaded. Run NSClient++ SysTray install to change this. l NSClient++.cpp(583) NSCLient++ - 0.3.6.325 2009-02-07 Started! d \Socket.h(641) Bound to: <a href="http://0.0.0.0:12489">0.0.0.0:12489</a> d \Socket.h(641) Bound to: <a href="http://0.0.0.0:5666">0.0.0.0:5666</a> l NSClient++.cpp(385) Using settings from: INI-file l NSClient++.cpp(386) Enter command to inject or exit to terminate... -- <a href="http://www.volatileminds.net">http://www.volatileminds.net</a>