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This issue exists on a Windows 7 Pro x64 machine (Dell Inspiron E6420). I am trying to adjust a setting using gpedit.msc, but the change never seems to take effect. By that, I mean that setting that is changed never reflects in rsop/gpresult.

The exact object is "Prevent installation of devices not described by other policy settings" which is currently reported as Enabled in RSOP/gpresult.

Even if I set this to not configured or disabled using gpedit.msc, the change never shows in a gpresult query, even after a gpupdate or reboot, however it will show the updated setting in gpedit (not that it makes a difference at that point if it cant apply).

A few points of concern:

  1. This error happens when running gpupdate:

    Updating Policy... User Policy update has completed successfully. Computer Policy update has completed successfully. The following warnings were encountered during computer policy processing: Windows failed to apply the Scripts settings. Scripts settings might have its own log file. Please click on the "More information" link. For more detailed information, review the event log or run GPRESULT /H GPReport.html from the command line to access information about Group Policy results.

  2. When running an RSOP or GPresult, there is a yellow bang (exclammation point) on the Computer Configuration section.

  3. Under Component status, these two errors are showing, but havn't been able to figure out a way to clear them:

    Component Status Component Name Status Last Process Time Group Policy Infrastructure Success 6/14/2013 3:46:11 PM Internet Explorer Zonemapping Success (no data) 2/6/2013 10:29:33 AM Registry Failed 6/14/2013 3:46:11 PM Registry failed due to the error listed below.

    Unspecified error

    Additional information may have been logged. Review the Policy Events tab in the console or the application event log for events between 6/14/2013 3:46:10 PM and 6/14/2013 3:46:11 PM.

    Scripts Failed 6/14/2013 3:46:11 PM Scripts failed due to the error listed below.

    Access is denied.

    Additional information may have been logged. Review the Policy Events tab in the console or the application event log for events between 6/14/2013 3:46:11 PM and 6/14/2013 3:46:11 PM.

    Security Success 6/14/2013 3:46:11 PM

So far...i've tried:

  1. Resetting local group policy: secedit /configure /cfg %windir%\inf\defltbase.inf /db defltbase.sdb /verbose

  2. Another method I found to try and reset local group policy: Deleted c:\Windows\System32\GroupPolicy and forced a gpupdate

  3. Copying group policy settings from a known working computer with similar config: Copied C:\Windows\System32\GroupPolicy

  4. Deleting Registry key, but after reboot it just comes right back: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DeviceInstall\Restrictions\DenyUnspecified

Anyone have any other ideas on how to fix this?

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migrated from Jun 17 '13 at 18:14

This question came from our site for computer enthusiasts and power users.

If the machine on a domain? Perhaps domain policies are overriding your local policies. What does the "Origin" column in RSOP.msc state for that specific policy? – techie007 Jun 14 '13 at 20:40
For something this advanced I would recommend moving your question to, You can flag your own question to be moved or delete this question here and re-ask it there. Please do not post the same question in both places at the same time. – Scott Chamberlain Jun 14 '13 at 21:34
@techie007 The machine is on a domain, however there are no conflicting policies that should be causing this issue. The origin for this specific policy shows Local Group Policy. – tpenafiel Jun 17 '13 at 15:52

Test command at workstation:




and check file permissions in folders: Policies and scripts

delete registry key:

reg delete HKLM\SOFTWARE\Policies /f
reg delete HKCU\Software\Policies /f

delete folder:

RD /S /Q %windir%\System32\GroupPolicy

open and check port at domain infrastructure

Active Directory Firewall Ports - Let's Try To Make This Simple

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