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Error 0x8004FC12 prevents you from activating the license on Windows 11 and using all the features on your computer. When encountering this error, you need to address it first if you want to use Windows smoothly.
Windows 11 and License Activation
On some computers, activating Windows 11 encounters error 0x8004FC12, preventing users from accessing all features. This error on Windows 11 has caused many issues for users, especially those requiring a stable system. Error code 0x8004FC12 is caused by Windows server system and prevents the system from entering the Windows Activation code.
Fixing Error 0x8004FC12 with TroubleShoot
TroubleShoot is a troubleshooting tool from Microsoft and it resolves many errors on the Windows operating system.
Step 1: Open the Start Menu (1) and select Settings (2) to open the settings on your Windows computer.
Step 2: Then, choose the Update & Security tab to access the update and security features.
Step 3: Next, select the Troubleshoot tab and choose Additional troubleshooters to view the troubleshooting set on your computer.
Step 4: Locate the Run the troubleshooter tab under Windows Update to fix error 0x8004FC12.
Step 5: Simply wait for the system to process the error and proceed to restart your computer once completed. After successfully restarting, re-enter the code to Activate Windows 11.
Fixing Error 0x8004FC12 by Disabling Firewall
The firewall on Windows 11 is also one of the main culprits causing the inability to Activate Windows 11 on your computer.
Step 1: Open the Expand menu on the Taskbar and select Windows Defender.
Step 2: Next, choose Firewall & network protection to view settings related to firewall and network security.
Step 3: Then, select Domain network/Private network/public network respectively and turn off the Firewall feature.
Step 4: Once you have successfully turned off the firewall, proceed to activate Windows 11 using the pre-purchased key. At this point, the 0x8004FC12 error code will no longer exist.
Fixing Error 0x8004FC12 with Command Prompt
Step 1: Press the Windows + R combination to open the RUN window and type Cmd to open Command Prompt.
Step 2: Then, enter the following commands one by one and press Enter to execute.
net localgroup Administrators localservice /add
fsutil resource setautoreset true C:\
netsh int ip reset resetlog.txt
After completing the above commands, restart your computer and check if the 0x8004FC12 error code still appears when activating Windows 11.
In this article, Software Tips has guided you on fixing the 0x8004FC12 error when Activating Windows 11 swiftly and effectively. Have a great day ahead!
