某些 PC 用户可能会在其设备上遇到Windows 10或 Windows 11激活错误代码 0x8004FC12^{(activation error code 0x8004FC12)}。这篇文章提供了最合适的解决方案来成功解决这个问题。

当您遇到此问题时，您将收到以下完整错误消息；

Windows can’t activate right now. Try activating again later. If that doesn’t work, contact support.

当您现在单击错误详细信息^{(Error details)}链接时，将显示错误代码及其描述（如果有）。

此错误最常见的可能罪魁祸首包括：

• 激活服务器正忙。
• 您的 PC 未连接到Internet。
• 有一个更新正在等待，这会阻止您的系统向激活服务器发出第二个请求。

Windows 11/10激活^(Activation)错误 0x8004FC12

如果您遇到此Windows 10/11 activation error 0x8004FC12，您可以尝试以下建议来解决问题。

1. 等待^(Wait)激活^{(Activation Servers)}服务器可用
2. 运行 Windows 激活疑难解答^{(Run Windows Activation Troubleshooter)}
3. 检查您的防火墙设置
4. 清理多余的旧事务
5. 通过电话激活 Windows

让我们看一下关于列出的每个解决方案所涉及的过程的描述。

1]等待^(Wait)激活^{(Activation Servers)}服务器可用

如果Windows 激活服务器不可用或忙于激活请求，您可能会遇到此Windows 10/11 activation error 0x8004FC12.在这种情况下，您无能为力，只能等待服务器可用以处理队列中的新激活请求 - 在等待期间，请确保您的 PC 与 Internet 有稳定的连接。

2]运行Windows激活疑难解答^{(Run Windows Activation Troubleshooter)}

内置的Windows 激活疑难解答可以帮助解决由于以下各种原因而可能出现的激活问题：

• 互联网连接^{(Internet Connectivity)}或中断（网络^(Network)驱动程序不是系统本机的，本地断电等）。
• 系统中的硬件更改。
• 操作系统版本不正确。

3]检查您的防火墙设置

此解决方案要求您关闭 Windows 防火墙^{(turn the Windows firewall off)}，然后重新尝试激活。如果您正在运行第三方安全软件并且您的防火墙由它管理，那么请确保您也关闭那里的防火墙或暂时完全禁用安全软件并在激活成功后重新打开它们。

类似的错误代码^{(Similar error codes)}：Office 激活错误 0x8004FC12 | Office 365 错误 .0x8004FC12

4]清理多余的旧交易

由于可能有旧的挂起更新阻止了从您的系统到激活服务器的第二个请求，您可以使用FSUTIL 命令^{(FSUTIL command)}清理 Windows PC 上多余的旧事务。就是这样：

• 按Windows key + R调用“运行”对话框。
• 在“运行”对话框中，键入cmd，然后按CTRL + SHIFT + ENTER以open Command Prompt in admin/elevated mode。
• 在命令提示符窗口中，键入或复制并粘贴下面的命令，然后在每行后按Enter 。确保您是本地管理员组的成员^{(member of the local Administrators group)}。

net localgroup Administrators localservice /add

fsutil resource setautoreset true C:\

netsh int ip reset resetlog.txt

执行完所有三个命令后，重新启动设备并再次尝试激活。如果激活失败并出现同样的错误，您可以尝试下一个解决方案。

5]通过电话激活Windows

如果到目前为止没有任何效果，您可以随时通过电话激活 Windows。

希望这可以帮助！

相关帖子^{(Related post)}：很抱歉，激活 Office 时出现错误 0x8004FC12。

Fix Activation error 0x8004FC12 on Windows 11/10

Some PC users may encounter the Windows 10 or Windows 11 activation error code 0x8004FC12 on their device. This post provides the most suitable solutions to successfully resolve this issue.

When you encounter this issue, you’ll receive the following full error message;

Windows can’t activate right now. Try activating again later. If that doesn’t work, contact support.

When you now click on the Error details link, the error code with its description (if any) will now be displayed.

The most common likely culprits of this error include;

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

Windows 11/10 Activation error 0x8004FC12

If you’re faced with this Windows 10/11 activation error 0x8004FC12, you can try the suggestions below to resolve the issue.

1. Wait for Activation Servers to be available
2. Run Windows Activation Troubleshooter
3. Check your Firewall settings
4. Clean up excess old Transactions
5. Activate Windows by phone

Let’s take a look at the description of the process involved concerning each of the listed solutions.

1] Wait for Activation Servers to be available

If the Windows activation servers are not available or busy with activation requests, you may encounter this Windows 10/11 activation error 0x8004FC12. In this case, there’s nothing much you can do but wait for the servers to become available to handle new activation requests on the queue – and while you 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 issues that can arise due to the following various reasons:

• Internet Connectivity or an outage (Network driver not native to the system, power outage locally etc.).
• Hardware change in the system.
• Incorrect OS Version.

3] Check your Firewall settings

This solution requires you to turn the Windows firewall off and then re-try activation. If you’re running third-party security software and your firewall is managed by it, then make sure you turn the firewall off there as well or temporarily disable the security software altogether and turn them back on once the activation is successful.

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

4] Clean up excess old Transactions

As there may be old pending updates that’s blocking a second request from your system to the activation servers, you can use the FSUTIL command to clean up excess old Transactions on your Windows PC. Here’s how:

• Press Windows key + R to invoke the Run dialog.
• In the Run dialog box, type cmd and then press CTRL + SHIFT + ENTER to open Command Prompt in admin/elevated mode.
• In the command prompt window, type or copy and paste the commands below and hit Enter after each line. Make sure you’re a member of the local Administrators group.

net localgroup Administrators localservice /add

fsutil resource setautoreset true C:\

netsh int ip reset resetlog.txt

After you’ve executed all three commands, reboot your device and try activating again. If the activation fails with the same error, you can try the next solution.

5] Activate Windows by phone

If nothing has worked so far, you can always activate Windows by phone.

Hope this helps!

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

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