Unable to access NFS shares on Ubuntu from Windows 7. It just acts like the share can't be found on network. (NET HELP MSG 1222)

on client:
added NFS features
tried "mount IP:/share z:" and the gui drive mapping
tried with and without "AnonymousUid""AnonymousGid" DWORDs under HKLM\SOFTWARE\Microsoft\ClientForNFS\CurrentVersion\Default
firewalls are off

on server:
exportfs lists the shares.
mount shows "nfsd on /proc/fs/nfsd type nfsd (rw)" (I think that's normal?!?) have experimented with many options in:
tried forcing no NFS v 4 after each change I'm restarting nfs service and re-exporting

Is there a log I can look at somewhere?!? I've been trying to figure this out forever... Any help would be much appreciated!


I once ran into a problem connecting to NFS shares from Windows 7. For me, the solution was to do the following on my Windows machine:

  1. Open group policy editor (type “edit group policy” in the windows search bar)
  2. Expand the tree selection to Computer Configuration->Windows Settings->Security Settings->Local Policies
  3. Select the Security Options item
  4. Disable the policy named “Microsoft network client: Digitally sign communications (always)”
  5. Restart your computer
  • You're a freaking genius! Thank you! WHERE did you find this?!? – bumbling fool Oct 7 '11 at 9:15

As always look in /var/log/syslog first.

  • Thanks, but nothing relevant is there. – bumbling fool Oct 7 '11 at 9:15
  • Or var/log/messages - depends on the distribution – Peter VARGA Oct 19 '17 at 18:07

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