dunno if this is usefull to anyone but I made this thing after plenty of help from others and the wonderfull help file I basically takes a list of local computers and sends a request for their IP and MAC address and then pipes all that information from them to a Text file. I tried to fully comment everything so it should be easy to read. You need psexec.exe to get it to work. This is part of the free pstools suite. http://www.sysinternals.com/Utilities/PsTools.html enjoy #include <arra