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• Users can activate Windows 11 when the activation error 0x87e10bc6 occurs.
• The activation troubleshooter might be an error 0x87e10bc6 fix for some users.
• Some users might be also able to fix the Windows 11 activation error 0x87e10bc6 by disabling and uninstalling firewalls.

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The Windows 11 activation error 0x87e10bc6 issue arises for some users when they try to activate the platform with a product key via Settings. When that issue occurs, the Activation tab in Settings displays the following error message:

Something prevented us from communicating with our activation servers. Wait a few minutes and then try again. Error code: 0x87e10bc6.

That particular activation error can arise because of a firewall blocking connectivity with Microsoft’s activation server. As a result, users can’t activate Windows 11 with their product keys when that error arises.

Unfortunately, even Windows 10 users have been plagued by the same issue in the past, so being prepared to deal with this issue can make a huge difference.

Do I need to activate Windows 11?

It’s not essential to activate Windows 11 to continue utilizing it. However, there are some restrictions applied when Windows 11 hasn’t been activated. You’ll notice an Activate Windows watermark on the desktop and regular activation notifications for one thing.

The most notable restriction is that Windows 11’s Personalization settings are grayed out when it’s not activated.

Therefore, you can’t customize the platform with any of the settings on the Personalization tab. That tab includes options for changing themes, colors, and desktop wallpaper among others.

If you’re not bothered about that, however, you don’t need to fix Windows 11 activation error 0x87e10bc6. Nevertheless, you might still be able to fix that error in Windows 11 with some of these potential resolutions.

How can I fix the Windows 11 activation error 0x87e10bc6?

1. Try activating Windows 11 again a few days later

It might just be the case that the activation error 0x87e10bc6 is due to a Microsoft activation server issue. The server could be temporarily down.

In which case, you might need to wait a day or two before you can activate Windows 11. If the issue persists after a few days, apply the resolutions below.

2. Run the activation troubleshooter

Click Windows 11’s Start button and choose Settings.

Select Activation on the System tab.

Then click Activation state to expand it.

3. Use a third-party system repair tool

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Some third-party system repair tools might provide a solution for activation error 0x87e10bc6.

Restoro is among the most comprehensive third-party system repair utility for Windows 11/10. That’s a repair tool that can fix a wide variety of Windows errors.

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4. Use the Command Prompt

Click the taskbar button with the magnifying glass icon.

Enter the keyword cmd in the search box, right-click the Command Prompt search result, and select Run as administrator.

Then type in this command and hit Enter: slmgr /ipk *Product Key*

You’ll need to replace *Product Key* in the command specified above with an actual activation key.

5. Temporarily disable the Windows Defender Firewall

Then click Turn Windows Defender Firewall on or off to bring up those options.

Select the Turn off Windows Defender Firewall options shown directly below.

6. Uninstall third-party firewall software

Select the Run shortcut.

Input this text and click OK to open Programs and Features: appwiz.cpl

Select any third-party firewall software listed in the Programs and Features applet.

You can also uninstall software and erase all leftover debris with third-party uninstaller tools like IObit Uninstaller. IObit Uninstaller is a freeware software that packs in more options and features for removing software than Windows 11’s default uninstaller applet.

Note that third-party antivirus software can also include firewalls. So, it’s recommended that you uninstall third-party antivirus utilities as well.

7. Restore your OS to a previous point

Select Choose a different restore point if that option is available, and click Next to continue.

Choose the oldest restore point you can and click Next.

Press the Finish button.

Restoring Windows 11 to an earlier time will remove software installed before that date. You can check what software a chosen restore point affects by clicking Scan for affected programs within System Restore.

Can I activate Windows 11 by phone instead?

There is an offline phone method for activating Windows 11. You can select to activate Windows by phone via Settings as outlined on Microsoft’s Product activation webpage. Alternatively, enter slui.exe 4 in Run’s window and click the OK button.

In the Windows Activation window that opens, you’ll need to select a location in the drop-down menu. Then the window will display some toll-free numbers to call for activating Windows. Note down the numbers needed there to activate the platform offline.

However, you shouldn’t need to activate Windows 11 via phone if your PC is connected to the internet. Try applying all the potential resolutions for error 0x87e10bc6 above first. The fixes in our Can’t activate your copy of the Windows 11 guide might also help resolve that issue.

You can discuss Windows 11 activation error 0x87e10bc6 in the comments section below. Feel free to add any questions or even share any other error 0x87e10bc6 resolutions there.

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