If you are experiencing connection issues with Microsoft Exchange hosted at OVH using Outlook 2021-2024, there are a few troubleshooting steps you can follow:
- Check for Service Issues: Ensure that there are no ongoing service issues with Microsoft 365 or Exchange Online that could be affecting connectivity. You can check the service health status if you have admin access.
- Update Software: Make sure that your Outlook client and Windows operating system are up to date. Running Windows Update can help resolve many connectivity issues.
- Verify Account Settings: Ensure that the account settings in Outlook are configured correctly. This includes checking the server names, ports, and authentication methods.
- Run Microsoft 365 Diagnostics: Use the Microsoft 365 diagnostic tools to perform automated checks on your Outlook connectivity. This can help identify specific issues and provide possible solutions.
- Hosts File Check: If there are incorrect entries in the Hosts file on your Windows computer, it may prevent proper DNS resolution. Make sure to reset the Hosts file if necessary.
- Profile Issues: If your Outlook profile is corrupted, it may lead to connectivity problems. Consider creating a new Outlook profile to see if that resolves the issue.
If these steps do not resolve your issue, you may need to reach out to OVH support for further assistance specific to their hosting environment.
References:
- Connection to Microsoft Exchange is unavailable error when a Microsoft 365 user tries to set up Outlook
- Fix Outlook connection problems for Microsoft 365 account
- Microsoft 365 users can't connect to Exchange Online because of incorrect service settings
- Outlook doesn't connect or web services don't work after migration to Microsoft 365
- Microsoft 365 users can't connect to Exchange Online because of incorrect service settings