Copilot Not Working

Fix Microsoft 365 Help and Copilot Network Errors on Windows 11

Rana Garcia Oct 1, 2026 869 views

Question details

The user needs to resolve network connection errors that are causing Microsoft 365 Help menus and Copilot to fail.

How to Fix Microsoft 365 Help and Copilot Network Connection Errors

Product: Microsoft 365
Device & OS: Windows 11
Scenario: Attempting to access Help menus or use Copilot features within Microsoft 365 applications.
Observed behavior: Copilot requests human verification and then displays an error message, while the Help menu reports a network connection error despite active internet.

Before you start

Before applying these fixes, ensure your internet connection is stable, temporarily disable any active VPNs or third-party firewalls, and save all open work.

Solution 1Recommended

Reset Network and Winsock Settings via Command Prompt

Use the Command Prompt as an administrator to flush your DNS cache and completely reset your network adapters, which clears connectivity glitches blocking Microsoft 365 services.

Network conflicts, corrupted DNS caches, or improper IP configurations are the most common causes of connectivity issues in Microsoft 365 applications. Resetting these parameters forces Windows to establish a fresh connection to Microsoft's servers.

Open Command Prompt as Administrator

Click the Windows Start button, type 'cmd', right-click on 'Command Prompt' in the search results, and select 'Run as administrator'.

Release and Renew IP Address

Type 'ipconfig /release' and press Enter. Once complete, type 'ipconfig /renew' and press Enter to obtain a fresh IP address.

Flush and Register DNS

Type 'ipconfig /flushdns' and press Enter to clear your DNS cache. Then, type 'ipconfig /registerdns' and press Enter.

Reset Winsock and IP Catalogs

Run the following commands one by one, pressing Enter after each: 'netsh int ip reset', 'netsh winsock reset', and 'netsh winhttp reset proxy'.

Restart Your Computer

Close the Command Prompt and restart your Windows 11 computer to apply all network configuration changes.

Reset Network and Winsock Settings via Command Prompt

Administrator Privileges Required: Ensure you are logged into an Administrator account, as these commands will not execute properly on standard user accounts.

Solution 2

Verify DNS, Proxy, and TLS Settings

Incorrect proxy settings or disabled TLS protocols can prevent Copilot and Microsoft 365 Help from securely communicating with Microsoft servers.

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Frequently Asked Questions

Why does Microsoft Copilot ask for human verification and then fail?

This usually happens when Microsoft's security protocols detect unusual network traffic, or when a VPN/proxy interrupts the authentication token, leading to a dropped connection before verification can complete.

Can a third-party antivirus block Microsoft 365 Help features?

Yes, aggressive firewall or web protection features in third-party antivirus software can inadvertently block the specific ports or domains required by Microsoft 365 Help and Copilot. Try temporarily disabling your antivirus to see if the issue resolves.

What should I do if resetting my network settings doesn't work?

If command prompt resets and DNS changes fail, check for pending Windows 11 updates, try repairing your Microsoft 365 installation via the Control Panel, or contact your network administrator to ensure Microsoft endpoints are not being filtered out.

Microsoft Copilot Issues