XP : speedup access to network shares

I have seen reports that Windows XP is slow when accessing network shares. I use
XP daily on my local home network and a corporate LAN. I haven’t noticed the
network slowness. But if you do, there are reports that deleting a particular
registry key resolved the problem. It certainly works for Windows 2000. You can
give it a try in XP. I would backup the key first.


To backup and delete the key, In the regedt32 registry editor
navigate to the NameSpace key :

  • Right click {D6277990-4C6A-11CF-8D87-00AA0060F5BF}
  • Click Export. From the Export Registry File
    dialog box in the File Name text box :
  • Type the filename of your choice as in restoreshare

  • Click Save
    This saves the file names (in my
    example), restoreshare.reg to the My Documents folder.
    Its now safe to delete the key.
  • Right click {D6277990-4C6A-11CF-8D87-00AA0060F5BF}
  • Click Delete
  • Click Yes in the Confirm Key
    dialog box.

If your system is unstable or weird after deleting this key, you can restore
the key. In Explorer, double-click on your reg file. This will restore the
deleted registry key.

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