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I have 2 Windows 7 PCs in a home network. When I create a homegroup, the libraries I share are visible on the opposing machine but when I doubleclick them nothing happens - no error message, nothing at all. It is the same on both computers.

The homegroup works to the extent that the printer I shared is visible and can print from the other computer. Only the libraries are inaccessible.

What I tried and checked so far, without result:

  • disabling firewall
  • file and printer sharing, MS Networks client enabled in network properties
  • deleting and recreating homegroup
  • reset homegroup by deleting C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\PeerNetworking
  • unsharing and sharing again the libraries
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If you try via the command line, what happens? – soandos Jun 10 '12 at 16:58
I have no idea how to cd to a library or a homegroup share via commandline. – majocha Jun 10 '12 at 17:26
up vote 0 down vote accepted

After some reading about the Homegroup internals it seems to me that there is a problem with the HomeGroupUser$ account. Either it does not exist or does not work.

As a workaround I added the built in Guest account on each of the computers to the HomeGroupUsers$ security group and the Homegroup started working again.

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