The 9HEHW error code in Microsoft Teams typically occurs when there are issues with network connectivity, authentication, or Teams settings. This error can prevent you from signing into Teams or from using its features effectively.
Here are some steps you can follow to resolve the 9HEHW error in Microsoft Teams:
1. Check Your Internet Connection
- Ensure that you have a stable and working internet connection. A weak or intermittent connection can trigger this error.
- Try opening websites or using other online apps to verify that your connection is working properly.
- Restart your router: If you’re on Wi-Fi, try restarting your router or modem to ensure a stable connection.
2. Sign Out and Sign Back In
- If you are logged into Teams, try signing out and then signing back in.
- Open Microsoft Teams, click on your profile picture in the top right corner, and select Sign Out.
- After signing out, close the Teams app, reopen it, and sign back in.
3. Clear Teams Cache
Sometimes, corrupted cache files can cause issues with Microsoft Teams. You can try clearing the Teams cache:
For Windows:
- Close Microsoft Teams completely (make sure it’s not running in the system tray).
- Press Windows + R, type
%appdata%\Microsoft\Teams, and press Enter. - Delete all the files in the folder.
- Reopen Microsoft Teams and try signing in again.
For macOS:
- Close Microsoft Teams.
- Open Finder, and go to
~/Library/Application Support/Microsoft/Teams. - Delete all the files in the folder.
- Reopen Microsoft Teams and sign in.
4. Check for Microsoft Teams Updates
- Ensure that you have the latest version of Microsoft Teams installed. Teams updates automatically, but you can manually check for updates by:
- Opening Teams, clicking on your profile picture in the top-right corner, and selecting Check for updates.
- If there’s an update available, install it and restart the app.
5. Check Date and Time Settings
- Ensure that your system’s date and time settings are correct. If the date and time are incorrect, it could cause issues with authentication and connectivity in Teams.
- Go to Settings > Time & Language (on Windows) or System Preferences > Date & Time (on macOS) to check and adjust the settings.
6. Check Microsoft Service Health
Sometimes, this error might occur if there is a Microsoft Teams service outage or issue with the servers.
- Visit the Microsoft 365 Service Health Dashboard to see if there are any known issues with Teams or other Microsoft services.
- Service Health: https://status.office.com
7. Use Web Version of Teams
If the desktop app isn’t working, try using the web version of Microsoft Teams as a temporary workaround:
- Go to https://teams.microsoft.com and log in to your account using your browser.
8. Reinstall Microsoft Teams
If none of the above steps work, try uninstalling and reinstalling Microsoft Teams:
- Uninstall Teams: Go to Settings > Apps (on Windows) or Applications (on macOS) and uninstall Microsoft Teams.
- Reinstall Teams: Download and install the latest version of Microsoft Teams from the official website: Download Microsoft Teams.
9. Contact IT Support
If you are using Microsoft Teams as part of a work or school account, the issue may be related to account settings or permissions. Reach out to your IT support team to check if there are any organization-wide issues or if your account settings need to be adjusted.
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