Pinging is no longer much help. Unless you turn on the File Sharing exception for Windows Firewall in XP SP2, or otherwise open port 445, Windows Firewall will reject ICMP Echo Request packets sent by ping, by default. You can enable them if required. You'll find that most other software firewalls will do the same. If you need to determine whether you can connect to a network service, just try to connect to it. If you're trying to do a site survey you're probably out of luck. Stability. What an interesting concept. -- Chris Maunder