After a restart on your PC, you can no longer log in to the system. On entering a password, the system takes way too long to log in and after a while, it gives back an error stating ‘The Group Policy Client service failed the logon: Access is denied”. You can read this post written by MiniTool to get the methods.

Why does“the group policy client service failed the logon” issue happen? The first reason is group policy that fails to respond or if it stops running. When you try to log in with a non-administrator account on a PC with some installed applications or drivers, the error can also be caused. Then I will introduce how to fix the group policy client service failed the logon issue.

How to Fix the Group Policy Client Service Failed the Logon

Method 1: Use Registry Editor

The first method for you is to use Registry Editor. Here is how to do that:

Step 1: Press the Windows key + R key to open the Run dialogue box. Type regedit and click OK to open Registry Editor.

Step 2: In the left pane of Registry Editor, navigate to the following registry key:


navigate to the path

Make sure that this key is intact but do not change anything.

Step 3: Then navigate to this key:


Step 4: Then right-click the panel on the right and select New > Key. Name the new key as GPSvcGroup.

Step 5: Then open the newly-created GPSvcGroup key, right-click the panel on the right and create 2 DWORD values.

Step 6: First is called AuthenticationCapabilities and it must have the value of 0x00003020 (or 12320 in decimal). The second is called CoInitializeSecurityParam and it must have a value of 1.

Then restart your computer and check to see if the group policy client service failed the logon Windows 10 has been fixed.

Method 2: Restore Your System to an Earlier Point

The second method is to restore your system to a point where it previously worked without the error.

Option 1: If you can log into the system with another account

If the method above failed to fix this Bad Image error, then it’s time to use the Windows System Restore feature, which can revert the Windows system to a previous working state without any data loss.

Tip: Only there is a system restore point, you can use this method. If you don’t know how to do, read this post – What Is System Restore Point and How to Create It? Solutions Are Here!

Option 2: If you cannot log in to the system or you had only one account

By going into the advanced startup options, you can restore your PC to the previous point.

Step 1: In the Start menu, press shift and click restart at the same time to enter the WinRE.

Step 2: You should choose Troubleshoot in Choose an option, and then choose Advanced options.

Step 3: Choose System Restore in Advanced options to get a new window.

Step 4: Choose a date in time before the problem occurred and restore your system. Your PC will revert to that date and restart.

Note: You may lose your programs but your data will be intact.

Then you can check if the group policy client service failed the logon Windows 10 issue has been fixed. If not, try the next method.

Method 3: Turn off Fast Startup

The last method you can try is to turn off fast startup. Here are the steps:

Step 1: Navigate to Power Options in the Control Panel.

Step 2: Click Choose what the power buttons do. Then you should click Change settings that are currently unavailable.

Step 3: At the bottom of the window and you will see Turn on fast startup (recommended). Just uncheck the box to turn off Fast Startup Windows 10. Then click Save changes.

turn off Fast Startup Windows 10

Then, the group policy client service failed the logon issue should be fixed.

Final Words

In conclusion, you can know the methods to fix “the group policy client service failed the logon” issue from this post. If you encounter the same issue, you can try the methods above.

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