Before telling the solution let me tell you that what kind of error you might be getting. First of the entire computer desktop background goes black and you receive the following error message on the bottom right corner of the screen: This copy of Windows is not genuine
The second one is you must activate today. Activate Windows now.
Now the solution of this problem, I will tell you two methods to get rid of these errors.
Disable the Plug and Play Policy
Determine the source of the policy. To do this, follow these steps: On client experiencing Activation error, run Resultant Set of Policy wizard by clicking Start, Run and entering rsop.msc as the command.
Visit following location: Computer Configuration –> Policies –> Windows Settings –> Security Settings –> System Services. If Plug & 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.
Disable Group Policy settings and force Group Policy to be reapplied. Edit Group Policy that’s identified in Step 1 and change setting to “Not Defined.” Or, follow the section below to add required permissions for Network Service account.
Force Group Policy setting to reapply: gpupdate /force (a restart of the client’s sometimes required)
Edit the permissions of the Group Policy
Open Group Policy that’s identified in Method a, Step 1 above, and open corresponding Group Policy setting.
Click Edit Security button, and then click advanced button.
In Advanced Security Settings for Plug & Play window click Add and then add SERVICE account. Then, click OK
Select following permissions in Allow section and then click OK: Query template, Query status, Enumerate dependents, Interrogate, User-defined control, Read permissions. Note: Previous rights are the minimum required permissions.
Run gpupdate /force after you apply previous permissions to Group Policy setting.
Verify that appropriate permissions are applied with following command: sc sdshow plugplay following are the rights applied to Plug & 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’re no GPO’s in place, then another activity may’ve changed default registry permissions. To work around this issue, perform following steps:
On computer that’s out of tolerance, start Registry Editor.
Right-click registry key HKEY_USERSS-1-5-20, and select Permissions…
If NETWORK SERVICE isn’t present, click Add…
In Enter object names to select type Network Service and then click Check Names and OK.
Select NETWORK SERVICE and Grant Full Control and Read permissions.
Restart computer.
After restart, system may require activation. Complete the activation.
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12 years, 7 month(s) ago