Fix: Windows Activation Error 0x87e10bc6 on Windows 11

The Windows 11 activation error 0x87e10bc6 issue occurs when some users try to activate the platform using a product key through settings. When this issue occurs, the Activation tab in Settings displays the following error message:

Something is preventing us from communicating with the activation server. Wait a few minutes and try again. Error code: 0x87e10bc6.

Specific activation errors may occur because a firewall blocks the connection to Microsoft's activation servers. Therefore, when this error occurs, users cannot activate Windows 11 using their product key.

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?

You don’t have to activate Windows 11 to continue using it. However, some restrictions apply when Windows 11 is not activated. You will notice an activation Windows watermark on your desktop and a regular activation notification.

The most notable limitation is that Windows 11’s personalization settings are grayed out when not activated.

Therefore, you cannot customize the platform using any of the settings on the Personalization tab. This tab includes options for changing themes, colors, and desktop wallpaper.

However, if you are not interested in this, there is no need to fix Windows 11 activation error 0x87e10bc6. Nonetheless, you can still fix this error in Windows 11 with some of these potential solutions.

How to fix Windows 11 activation error 0x87e10bc6?

1. Try activating Windows 11 again after a few days

It could just be that activation error 0x87e10bc6 is caused by a Microsoft activation server issue. The server may be temporarily down.

In this case, you may need to wait a day or two before activating Windows 11. If the problem persists after a few days, apply the following solutions.

2. Run the Activation Troubleshooter

1. Click the Windows 11 Start button and select Settings.
   
2. SelectActivate on the System tab.
   
3. Then click Activation Status to expand it.
   
4. Press the Troubleshooting button.
5. Wait for the troubleshooter to scan and then select the Apply this fix option.

3. Use third-party system repair tools

Expert Tip:Some PC problems are difficult to solve, especially if the repository is corrupted or Windows files are missing hour. If you are having trouble fixing errors, your system may be partially corrupted. We recommend installing Restoro, a tool that can scan your machine and determine where the fault lies.
Click here to download and start repairing.

Some third-party system repair tools may provide solutions to activation error 0x87e10bc6.

Restoro is one of the most comprehensive third-party system repair utilities for Windows 11/10. This is a repair tool that can fix a wide variety of Windows errors.

Restoro runs some of the most in-depth system scans available to detect and resolve Windows issues. It has a database repository of over 25,000,000 files that can be used to replace lost or damaged files.

Check out our Restoro review for complete details about the software.

⇒ Recovery

4. Using Command Prompt

1. Click the taskbar button with the magnifying glass icon.
   
2. Enter the keyword cmd in the search box, right-click the command prompt search result, and select Run as administrator.
   
3. Then enter this command and hit Enter: <strong>slmgr /ipk *Product Key*</strong>
   
4. Next, enter the following and press Enter: <strong>slmgr /ato</strong>
5. Click in the Windows Script Host dialog box that opens Sure.
6. Restart your desktop or laptop by selecting Power > Restart from the Start menu.

Notes You need to replace *Product Key* in the command specified above with your actual activation key.

5. Temporarily disable Windows Defender Firewall

1. Open the search tool and enter Windows Defender Firewall in its search box.
2. Click Windows Defender Firewall to open its Control Panel applet.
3. Then click Turn Windows Defender Firewall on or off to display these options.
   
4. Select the Turn off Windows Defender Firewall option shown directly below.
   
5. Press the OK button to apply the settings. Then try to activate Windows 11 again.

6. Uninstall third-party firewall software

1. First, press the Windows X key combination to open the power user menu.
2. Select Run shortcut.
   
3. Enter this text and click OK to open programs and features: <strong>appwiz.cpl</strong>
   
4. Select any third-party firewall software listed in the Programs and Features applet.
   
5. Click on the Uninstall option and yes to remove the firewall software.
6. Restart your PC and try to activate Windows 11 again.

You can also use third-party uninstall tools such as IObit Uninstaller to uninstall the software and clear out any remaining fragments. IObit Uninstaller is a free software that includes more options and features for removing software than Windows 11’s default uninstaller applet.

Notes Please note that third-party antivirus software can also include firewalls. Therefore, it is recommended that you uninstall third-party antivirus utilities as well.

7. Restore your operating system to its previous point

1. Follow the instructions in the first few steps of the previous solution to open Run.
2. To turn on System Restore, enter this command and click OK: <strong>rstrui</strong>
3. If the option is available, Please select to select a different restore point and click Next to continue.
   
4. Select the oldest restore point and click Next.
   
5. Press the Complete button.
   

Notes Restoring Windows 11 to an earlier time will remove software installed before that date. You can check the software affected by the selected restore point by clicking "Scan for affected programs" in "System Restore". Can I activate Windows 11 by phone instead?

There is an offline phone method to activate Windows 11. You can choose to activate Windows by phone through the settings described on the Microsoft Product Activation webpage. Alternatively, enter

slui.exe 4 in the Run window and click the "OK" button.

In the Windows Activation window that opens, you need to select a location in the drop-down menu. The window will then display some toll-free numbers for activating Windows. Note down the number required to activate the platform offline.

However, if your PC is connected to the Internet, there is no need to activate Windows 11 over the phone. Try to apply all the potential solutions for the above mentioned error 0x87e10bc6 first. The fixes in our copy of Can't Activate Your Windows 11 tutorial may also help resolve the issue.

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