Windows 7 – Windows XP networking problems

We earlier told you about how to set up a home network with computers running windows 7, windows xp and vista. Here we tell you on how to access windows xp computers from computers running windows 7 and resolve the access or permission denied error.

People often face issues in networking windows 7 PC with a PC running windows xp or windows 2000.When they try to access folders in a PC running windows xp from a PC running windows 7, a permission denial message is thrown at them stating that that the windows 7 PC does not have access privilege to the PC running Windows XP!

Neither does the computer running windows xp can access the windows 7 PC nor is it possible to share any printer between the two computers. If you face any such issue in networking windows 7 with computers running windows xp, windows 2000 etc., try the following solution.

On the PC running windows 7, press “win+r” > “gpedit.msc” > “Computer Configuration” > “windows settings” > “security settings” > “security options” > “Network Security: LAN Manager Security Level” = “Send LM & NTLM responses”.

You can also try this registry fix which may work on computers running windows 7 Home or Home Premium editions.

  • 1. Open the registry by typing regedit in Start Search
  • 2. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\
  • 3. Look for “lmcompatibilitylevel” on right side, and it should be 0 or 1. If it don’t exist, create it.
    • 1. Right click >> “new Dword”
    • 2. Name it “LmCompatibilityLevel”
    • 3. Set value to 0 or 1

That is it! Alternatively, copy/paste the following into notepad and save it as a “NTLM.REG” file. Run it by double clicking it.

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Windows Registry Editor Version 5.00



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