NT should, without intervention, detect any and all enabled Com ports on the computer. This is done by Ntdetect during boot.<br><br>To manually do it, go to Control Panel / Ports and add or remove the port of your choice. If the port is not physically there or at the resources you specify the Event Viewer will let you know about it.<br><br> <p>Doug<br><a href=mailto:dxd_2000@yahoo.com>dxd_2000@yahoo.com</a><br><a href= > </a><br>