According to Microsoft the pirated copies of Windows 7 RTM can be turned as fully genuine, however the platform should be genuine to begin with. The Redmond Company has introduced two methods that are designed to allow customers saving their copy of Windows, provided that Windows 7 managed to go corrupt. The users of the latest iteration of the Windows client have reported that immediately after log on, they were presented with a Windows Activation window featuring the following message: “Windows is not genuine. It is quite possible that your computer might not be running a fake copy of Windows.
Microsoft doesn’t have a solution to this problem, and is not even offering a temporary one. Still, customers affected by this issue can turn to one of two methods detailed by the Redmond company, which have been included below:
Method 1: Disable the Plug and Play Policy
1. To determine the source of the policy do this, follow these steps:
a. On the client experiencing the Activation error, run the Resultant Set of Policy wizard by clicking Start, Run and entering rsop.msc as the command.
b. Visit the following location: Computer Configuration / Policies / Windows Settings /Security Settings / System Services /
If the Plug and Play service is configured through a Group Policy setting, you see it here with settings other than Not Defined. Additionally, you can see which Group Policy is applying this setting.
2. Disable the Group Policy settings and force the Group Policy to be reapplied.
a. Edit the Group Policy that is identified in Step 1 and change the setting to “Not Defined.” Or, follow the section below to add the required permissions for the Network Service account.
b. Force the Group Policy setting to reapply: gpupdate /force (a restart of the client is sometimes required)
Method 2: Edit the permissions of the Group Policy:
1. Open the Group Policy that is identified in Method A, Step 1 above, and open the corresponding Group Policy setting.
2. Click the Edit Security button, and then click the Advanced button.
3. In the Advanced Security Settings for Plug and Play window click Add and then add the SERVICE account. Then, click OK
4. Select the following permissions in the Allow section and then click OK:
Query template
Query status
Enumerate dependents
Interrogate
User-defined control
Read permissions
Note: The Previous rights are the minimum required permissions.
5. Run gpupdate /force after you apply the previous permissions to the Group Policy setting.
6. Verify that the appropriate permissions are applied with the following command:
sc sdshow plugplay
The following are the rights applied to the Plug and Play service in SDDL:
D:(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;SY)
(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)
(A;;CCLCSWLOCRRC;;;IU)
(A;;CCLCSWLOCRRC;;;SU)
S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
(A;;CC LC SW LO CR RC ;;;SU is an Access Control Entry (ACE) that allows the following rights to "SU" (SDDL_SERVICE – Service logon user)
A: Access Allowed
CC: Create Child
LC: List Children
SW: Self Write
LO: List Object
CR: Control Access
RC: Read Control
SU: Service Logon User
Note: If there are no GPO's in place, then another activity may have changed the default registry permissions. To work around this issue, perform the following steps:
On the computer that is out of tolerance, start Registry Editor.
Right-click the registry key HKEY_USERS\S-1-5-20, and select Permissions...
If the NETWORK SERVICE is not present, click Add...
In Enter the object names to select type Network Service and then click Check Names and OK.
Select the NETWORK SERVICE and Grant Full Control and Read permissions.
Restart the computer.
The system may require activation after the restart which needs to be completed.
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