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Windows 7 networking with XP machines

Posted on 2013-11-26
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Last Modified: 2016-06-03
I spent 3 days trying to solve why my Windows 7 machine suddenly decide not to see my XP machines in the local network.  Tried everything I could find in the question already posted.
None that is listed seem to work, I could see the Windows 7 machines ok.  Solve the problem by using a Sabrent USB ultra Compact RJ45 adaptor.  Install and put in my IP address and all my network shows up.  Didn't know where to put this, but I know from the post someone else is having the same problem.  The above machine had been working fine for over a year.
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Question by:carygeorge
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by:Fred Marshall
ID: 39678511
I've had similar problems and here are some of the ingredients that seem to be common:

- there is more than one workgroup
- there is a Windows Server OS system on the network.

I've also seen this when there is more than one network protocol active on some of the computers.  But TCP/IP is so common any more that I'd be a bit surprised if you run into this.  It's as if one workgroup is active with one protocol and another workgroup with the same name is active on another protocol.  In that case you tend to get 2 computer lists showing up; one on some computers and the other on other computers.

I would check to assure that the type of network on Windows 7 is "work" and not "home" or "public".  Sometimes these change without notice to "public".  I believe the default can be changed in this regard.

Is there Active Directory running?  If this is a peer-to-peer network then I would run LANScanner to see which computer is the browser.

Try as I may, I've not found a satisfactory explanation of how it works.  I've received a lot of "try this" and "try that" and "I tried this and...." but no distinct rules.
I'm hoping that your situation is simpler than some I've seen and you find a quick fix.

What do the XP machines see?
Do all the Win 7 machines see the same list?

Try this: Turn off all the computers.  Turn on the newest one first.  Then turn on all the others.
Know this: This situation requires a huge amount of patience because it can take up to 45 minutes to "settle down" and populate the list(s).  So, after you reboot everything, to have lunch.
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by:carygeorge
ID: 39678621
I have already done the things you suggested above except turning all off and reboot first.  As I mention the computer had been running for over a year without any problems.  The usb adaptor fixed the problem without touching anything else.  I think this was due to one of the latest Windows updates.  Using the USB lan, there is no problems.
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Fred Marshall earned 500 total points
ID: 39679695
Sounds like an issue with the NIC then, eh?  Put in a new NIC and it works.  I'm not sure the type has much to do with it (i.e. USB, PCI,..etc.)
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by:carygeorge
ID: 39681509
This is what I have done.  Have had problems with the Windows drivers after update.  Thanks
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by:Fred Marshall
ID: 39681532
So, I'm getting that the issue is or was the NIC driver?
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by:carygeorge
ID: 39681817
Yes it was, Windows update change the driver for it.
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