Fix Activation error 0x8004FC12 on Windows 11/10

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Some PC users may see the Windows 10 or Windows xi activation error code 0x8004FC12 on their device. This mail service provides the most suitable solutions to successfully resolve this issue.

When y'all encounter this issue, yous'll receive the following total error message;

Windows can't actuate right at present. Attempt activating again later. If that doesn't piece of work, contact support.

When you at present click on the Fault details link, the mistake code with its description (if any) will at present be displayed.

The most common likely culprits of this error include;

The activation servers are busy.
Your PC is not connected to the Cyberspace.
An update is pending which prevents a second request from your organisation to the activation servers.

Windows 11/10 Activation error 0x8004FC12

If y'all're faced with this Windows 10/11 activation fault 0x8004FC12, you can attempt the suggestions below to resolve the issue.

Look for Activation Servers to be available
Run Windows Activation Troubleshooter
Check your Firewall settings
Clean up excess old Transactions
Actuate Windows past phone

Let's accept a wait at the description of the procedure involved apropos each of the listed solutions.

1] Wait for Activation Servers to exist bachelor

If the Windows activation servers are not available or busy with activation requests, you may encounter this Windows 10/xi activation mistake 0x8004FC12. In this case, there's nothing much you can do just expect for the servers to go available to handle new activation requests on the queue – and while yous wait, make sure your PC has a stable connection to the internet.

2] Run Windows Activation Troubleshooter

The inbuilt Windows Activation Troubleshooter can help resolve activation problems that can ascend due to the post-obit various reasons:

Internet Connectivity or an outage (Network driver non native to the system, power outage locally etc.).
Hardware change in the system.
Wrong OS Version.

3] Bank check your Firewall settings

This solution requires y'all to turn the Windows firewall off and then re-attempt activation. If you lot're running 3rd-party security software and your firewall is managed past it, then make sure y'all plough the firewall off at that place likewise or temporarily disable the security software altogether and turn them back on once the activation is successful.

Similar mistake codes: Office activation error 0x8004FC12 | Office 365 fault .0x8004FC12

4] Clean up excess old Transactions

As there may be quondam pending updates that'due south blocking a 2d request from your system to the activation servers, you tin can utilise the FSUTIL control to clean up excess former Transactions on your Windows PC. Here'due south how:

Press Windows cardinal + R to invoke the Run dialog.
In the Run dialog box, blazon cmd then printing CTRL + SHIFT + ENTER to open up Control Prompt in admin/elevated manner.
In the command prompt window, type or copy and paste the commands below and hit Enter after each line. Make sure y'all're a fellow member of the local Administrators grouping.

net localgroup Administrators localservice /add  fsutil resource setautoreset true C:\  netsh int ip reset resetlog.txt

After you've executed all iii commands, reboot your device and try activating over again. If the activation fails with the aforementioned error, y'all can try the next solution.

5] Activate Windows by telephone

If nothing has worked and so far, you can e'er activate Windows by phone.

Hope this helps!

Related post: We're sorry, something went wrong error 0x8004FC12 when activating Office.

Obinna Onwusobalu, has studied Data & Communication Technology and is a neat follower of the Windows ecosystem. He runs a computer software dispensary. He says it'southward best practice to create a Organization Restore Point before making whatsoever changes to your PC.