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If you are encountering an error when trying to access Microsoft Copilot, and the Microsoft network health does not indicate any disruptions, it may be beneficial to check the following:

1. WebSocket Connection: Ensure that your network allows WebSocket connections, as this is crucial for Microsoft 365 Copilot to function correctly. You can use the Microsoft 365 network connectivity test tool to validate if the WebSocket connection is successful.
2. Licensing and Policies: Confirm that you have the appropriate license that supports Microsoft 365 Copilot and that your organization’s policies do not block access to Copilot features.
3. Network Configuration: If there have been recent changes to your network infrastructure, they might be affecting connectivity. You can run a network diagnostics test to identify any potential issues with blocked connections to necessary Microsoft 365 domains.
4. Browser Issues: Sometimes, clearing your browser cache or trying a different browser can resolve access issues.

If the problem persists after checking these factors, consider reaching out to your IT administrator for further assistance.

References:

• Copilot is missing, disabled, or doesn't work correctly
• Microsoft 365 network connectivity test tool