If you’re using Azure Arc resource bridge, you should have received an important email from Microsoft regarding upcoming changes that require your attention. As part of the continuous improvements being made to our services, it’s crucial to understand how these changes will impact the functionality of your Azure environments.
Update Overview
Microsoft has announced that, to enhance the functionality and support of Azure Arc resource bridge, a new URL must be allowed in your network settings. This change is particularly important for users who rely on the Azure CLI extension, az arcappliance, which is essential for upgrading the Arc resource bridge appliance virtual machine.
Required URL:
- New URL:
*.web.core.windows.net - Port: 443
- Direction: Outbound connection from your management machine
- Purpose: This URL will be used to download the Azure Arc resource bridge extension to facilitate upgrades.
Transition Deadline
To ensure you continue to receive necessary updates and support, you must allowlist this URL in your firewall or proxy settings by 31. March 2025. Failing to do so may result in your Arc resource bridge being unable to upgrade, which could lead to it falling out of support.
Recommended Actions
To keep your Azure Arc resource bridge operational and upgradable, take the following steps:
- Access your firewall or proxy settings.
- Add the new URL:
*.web.core.windows.netto your allowlist. - Confirm that Port 443 is open for outbound connections from your management machine.
Taking these actions promptly is essential to maintaining the integrity of your Azure Arc resource bridge.
Additional Resources
For a comprehensive list of required URLs for Azure Arc resource bridge, please refer to the Azure Arc resource bridge network requirements page.
To stay informed about the latest features and updates, don’t forget to check the Azure Arc resource bridge network requirements page.
Conclusion
In summary, it is critical to allowlist this new URL to ensure your Azure Arc resource bridge remains functional and supported. Your prompt action will help avert any potential disruptions to your services.