Fix Activation Error 0xc004c003 & 0xC004E002 on Windows 8, 10 & 11

Most probably you are getting the Windows activation error code 0xc004c003 & 0xC004E002 when you try to activate Windows Server, 8, 10 & 11 machine. In this article, we will guide you on how to fix these activation errors easily and activate your Windows copy easily. You may receive one of the following errors:

Code: 0xC004C003
Description: The activation server determined that the specified product key has been blocked.
Code: 0xC004E002
Description: The Software Licensing Service reported that the license store contains inconsistent data.
KB5001692: Windows Activation fails with error 0xc004c003 on devices which have installed the Windows 10 January 2021 nonsecurity preview release or a later version.

You may receive this error due to one of the possible reasons:

  1. Your product key is expired or invalid.
  2. Incorrect permissions are set on the Tokens.dat file
  3. Tokens.dat file is corrupted
  4. You are using the OEM key to activate Windows.
  5. Registry file is corrupted.
  6. Malware or trojans are inside the PC
How to fix Activation Error Code 0xc004c003 & 0xC004E002

To fix this issue, you need to go through several steps of fixing like setting up correct permission, repairing registry files, arranging a fresh product key, or repairing the Tokens.dat file. In this article, we will try to cover everything that could fix your problem.

Method 1: Fix using Advanced System Repair Tool

This tool is designed to find and repair problems in Windows 8, Windows 10, Windows 11, and Windows Server machines. It finds and repair bugs in the registry file, fix the missing DLL file, exe file, sys file, and other missing file issues, updates windows driver and fixes driver errors, and so on. It is all in one Windows optimization tool that fixes and optimizes windows machine for smooth and fast performance.

Windows is made with huge number of dll files, exe files, sys files, various types of services, databases, etc so, it is not possible to keep monitoring all the files always. A brilliant PC Optimizer tool repairs damages, fix errors, update windows and drivers, and eliminate various types of errors silently.

Outbyte PC Repair Tool does all the above task easily and provides you an errorfree and smooth Windows environment to work so that you can focus on your business only.

3 Steps to Fix this Error
Step 1. Download Outbyte PC Repair Tool [File Size: 16.4 MB]
Step 2. SCAN your Windows PC
Step 3. Click Fix button to Repair Error

Method 2: Repair the “Activation Failed” problem using Windows Activation Troubleshooter.

Windows Activation Troubleshooter fixes the activation issue automatically when you run it. However, the troubleshooter settings appear only when your Windows 10 or Windows 11 is not activated. You can run Activation Troubleshooter as follows:

Windows 11
Steps 1: Starts > Settings > System > Activation.


Steps 2: Click on the Troubleshooter link to run the troubleshooter.


Windows 10
Steps 1: Starts > Settings > Update & Security > Activation
Steps 2: Select Troubleshoot to run troubleshooter.

Method 3: Run Slmgr.vbs Command

The slmgr is a short form of Software Licensing Management Tools. It is a VBS script that is used for performing advanced windows activation management. If you are tired of activating windows using the traditional windows activation windows, you must try this command-line tool to activate windows.

Steps 1: Open Command Prompt as Administrator or Right-Click on the Start menu and select Windows Terminal (Admin).


Steps 2: Now, paste the following command in the command prompt to activate windows. You must replace xxx using your product key.


Steps 3: After executing the above command, enter the following command to activate windows.

slmgr.vbs –ato

Steps 4 : Restart your device to take effect.

Method 4: Set the correct permission

Steps 1 : Open the command prompt as administrator.

Steps 2 : Paste the following command and execute it.

icacls "%windir%\ServiceProfiles\LocalService\AppData\Local\Microsoft\WSLicense" /grant "BUILTIN\Administrators:(OI)(CI)(F)" "NT AUTHORITY\SYSTEM:(OI)(CI)(F)" "NETWORK SERVICE:(OI)(CI)(F)"

Method 5: Rename Tokens.dat file.

Step 1: Open Command Prompt as administrator.

Step 2: Run the following command step by step.
net stop sppsvc
cd %windir%\ServiceProfiles\LocalService\AppData\Local\Microsoft\WSLicense
ren tokens.dat
net start sppsvc
cd %windir% \System32
cscript slmgr.vbs -rilc
Step 3: Restart your computer 2 times to take effect and changes to apply.
Step 4: Now, activate windows using your keys and you will not get activation error 0xc004c003 & 0xC004E002.

Apart from it, you keep trying to activate windows because whenever a new version is released, the server receives heavy loads and failed to provide activation service sometimes. So, keep trying at different times of day and night and you will be able to activate windows successfully. If it doesn’t help, contact your manufacturer for the new keys or contact Microsoft Support Team.


In this article, I tried to explain all the possible methods to fix windows activation errors 0xc004c003 & 0xC004E002. If you get another beautiful method to fix this error, must mention it in the comment section.