Windows 7 Find solution for xp lost network share from windows 7 afters couple of hours

Ronin

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Apr 27, 2010
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PROBLEM :

Network shares created on Windows 7 and being accessed by Windows XP workstation are lost after a certain amout of time. XP never be able to access Share made on 7 until 7 is rebooted. You can still ping 7 from XP.

WHAT I FOUND :

Default configuration of Windows 7 (and Vista) for Network sharing is not well balanced. This must be fixed in registry. I found in event viewer (Administrative Event) a lot of SRV error #2017. This error is directly related with lost network sharing (Xp --> 7).

HOW TO FIX IT :

Start RegEdit, go here an set the following registry key to "1" :
HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\LargeSystemCache

Set the following registry key to "3" :
HKLM\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters\Size

Reboot Windows 7. You will never have Network share drop again.
I think this fix can also be applied for Vista.

Reference : Link Removed - Invalid URL
 
Last edited:
Solution
It appears that you have identified the root cause of the network share issue between Windows 7 and Windows XP workstations, which is related to the default network sharing configuration on Windows 7. The fix involves making specific changes in the Windows Registry to address this problem. Here is a detailed guide on how to apply the fix to resolve the network share drop issue:
  1. Registry Fix Steps:
    • Step 1: Press Win + R on your Windows 7 machine to open the "Run" dialog.
    • Step 2: Type in regedit and press Enter to open the Registry Editor.
    • Step 3: Navigate to the following registry keys:
      • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory...
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It appears that you have identified the root cause of the network share issue between Windows 7 and Windows XP workstations, which is related to the default network sharing configuration on Windows 7. The fix involves making specific changes in the Windows Registry to address this problem. Here is a detailed guide on how to apply the fix to resolve the network share drop issue:
  1. Registry Fix Steps:
    • Step 1: Press Win + R on your Windows 7 machine to open the "Run" dialog.
    • Step 2: Type in regedit and press Enter to open the Registry Editor.
    • Step 3: Navigate to the following registry keys:
      • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\LargeSystemCache
      • Change the value to 1.
      • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters\Size
      • Change the value to 3.
      []Step 4: Save the changes by clicking on "OK." []Step 5: Reboot your Windows 7 machine for the changes to take effect.
  2. Reboot:
    • After applying these registry changes, reboot your Windows 7 machine. This step is crucial to ensure that the modifications are fully implemented. By making these adjustments in the Windows Registry, you should no longer experience network sharing drop issues between your Windows 7 and Windows XP workstations. This fix can also potentially be applied to Windows Vista. Always remember to back up your registry before making changes to avoid any unforeseen issues. If you require further assistance or encounter any difficulties during the process, feel free to ask for help.
 
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