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I have a simple network between Windows XP and Windows 7 with crossover cable.

Windows 7 computer is acting as a router with two LAN cards (onboard and PCI).

Onboard card settings:

  • Obtain an IP address automatically
  • Preferred dns server :
  • Alternate dns server :
  • Shared

So everything should be okay on Windows 7 computer.

PCI card on Windows 7 computer:

  • IP address:
  • Netmask:
  • Computer name : cougar
  • workgroup : nethome

Everything is off in network options except File & Printer sharing.

PC with Windows XP:

  • IP address:
  • Netmask:
  • Gateway:
  • DNS:,
  • computer name : tiger
  • workgroup : nethome

Both have connection to internet, and both can see each other by using IP (\\ and \\

Problem is when in XP I try to go to \\cougar, it says there is an error with network path.

In Windows 7 PC \\tiger works perfectly.

What might be the problem with Windows XP PC?

Few days ago this network was working okay, when both computers ran Windows XP.

Another problem is that I can't find tiger in "Homegroup" in Windows 7 PC. Is there any way to fix this?

share|improve this question
thanks 4 edit \ i learned from it \ any idea about my question? – dead Feb 23 '11 at 9:45
Please don't cross-post. – Dennis Williamson Feb 23 '11 at 10:26
so sorry \ i am new here and there and i tought i am in the wrong place (mean here 4 no answer) – dead Feb 23 '11 at 14:11

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