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Windows 7 – windows xp networking problems

 July 27, 2010 No Comment

We earlier told you about how to 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.

Quite often people 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 xp pc!

Neither does the computer running windows xp can access the windows 7 PC and it is not even possible to share any printer between the two computers! If ever you faced 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
 
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa]
"LmCompatibilityLevel"=dword:00000001
 
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