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Administrative Shares in Windows 7

by Alex Peck on June 28th, 2010

Perhaps this is old news for seasoned Win7 users, but today I was totally baffled when trying to copy some files via an administrative share. In Windows 7, by default, you will get an access denied message.

First disable Homegroup. Apart from anything else, the passkey it generates doesn’t look very secure to me. Perhaps it’s useful if you have no idea how to set up file sharing. If you have no idea, you probably don’t want to use administrative shares.

Second, enable File and Printer Sharing. Aside: I previously wasted literally minutes of my life when I found Vista doesn’t respond to ping when this is disabled.

  • Open Network and Sharing Center, click on Change advanced sharing settings.
  • Open your current profile (e.g Home or Work)
  • Under File and Printer sharing, ensure Turn on file and printer sharing is selected.

Third, edit the registry. This is largely for my own reference: I know for a fact that I would never be able to remember the required registry key.

  • Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
  • Add a new DWORD key called LocalAccountTokenFilterPolicy
  • Set the new key to a value of 1

This registry key is effective immediately, no need to restart.

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