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Azure Front Door (classic) retirement FAQ

Applies to: ✔️ Front Door (classic)

Azure Front Door introduced two new tiers named Standard and Premium on March 29, 2022. These tiers offer improvements over the current product offerings of Azure Front Door (Classic), incorporating capabilities such as Azure Private Link integration, Bot management, advanced Web Application Firewall (WAF) enhancements with DRS 2.1, anomaly scoring-based detection and bot management, out-of-the-box reports and enhanced diagnostic logs, a simplified pricing model, and much more.

In our ongoing efforts to provide the best product experience and streamline our portfolio of products and tiers, we're announcing the retirement of the Azure Front Door (Classic) tier. This retirement affects the public cloud and the Azure Government regions of Arizona and Texas, effective March 31, 2027. We'll communicate retirement plan of Azure Front Door classic in Azure Government regions US DoD Central and US DoD East in a future announcement. To avoid service disruption, transition to Azure Front Door Standard or Premium.

Important

  • Azure Front Door (classic) doesn't support profile creation, new domain onboarding, or managed certificates and retires on March 31, 2027. To avoid service disruption, ⁠migrate to Azure Front Door Standard or Premium. For more information, see ⁠Azure Front Door (classic) retirement.
  • If you migrate to Azure Front Door Standard or Premium after your managed certificates already expired, then after migration, the certificates change to Pending Revalidation state or start to rotate after 1-2 days. Alternatively, rotate the Front Door Standard and Premium managed certificates by refreshing the validation token using either Powershell or CLI. After adding the new TXT record token to your DNS zone, the custom domain is revalidated and a new certificate is deployed.

Frequently asked questions

When is the retirement for Azure Front Door (classic)?

Azure Front Door (classic) retires on March 31, 2027.

Why is Azure Front Door (classic) being retired?

Azure Front Door (classic) is a legacy service that provides dynamic site acceleration and global load balancing capabilities. In March 2022, Microsoft announced the general availability of Azure Front Door Standard and Premium. These new tiers serve as a modern Content Delivery Network platform that supports both dynamic and static scenarios with enhanced Web Application Firewall capabilities, Private Link integration, simplified pricing model, and many more enhancements. As part of Microsoft's plans to offer the best product experience and simplify the product portfolio, Microsoft is retiring the Azure Front Door (classic) tier.

What advantages does migrating to Azure Front Door Standard or Premium tier offer?

Azure Front Door Standard and Premium tiers are enhanced versions of Azure Front Door (classic). They maintain the same service level agreement (SLA) and offer more benefits, including:

  • A unified static and dynamic delivery platform, with a simplified cost model.
  • Enhanced security features, such as Private Link integration, advanced WAF enhancements with DRS 2.1, anomaly scoring based detection and bot management, and many more to come.
  • Deep integration with Azure services to deliver secure, accelerated, and user friendly end-to-end cloud solutions. These integrations include:
  • Improved capabilities such as simplified, more flexible rules engine with regular expressions and server variables, enhanced and richer analytics and logging capabilities, and more.
  • The ability to update separate resources without updating the whole Azure Front Door instance through DevOps tools.
  • Access to all future features and updates on Azure Front Door Standard and Premium tier.

For more information about supported features, see comparison between Azure Front Door and Azure CDN services.

How does the performance of the Azure Front Door Standard or Premium tier compare to that of Azure Front Door (classic)?

Azure Front Door Standard and Premium tiers have the same service level agreement (SLA). Microsoft aims to ensure Azure Front Door Standard and Premium delivers optimal performance and reliability.

What happens after March 31, 2027 when the service is retired?

After the service is retired, you lose the ability to:

  • Create or manage Azure Front Door (classic) resources.
  • Access the data through the Azure portal or the APIs/SDKs/client tools.
  • Receive service updates to Azure Front Door (classic) or APIs/SDKs/Client tools.
  • Receive support for issues on Azure Front Door (classic) through phone, email, or web.

How can I complete the migration without causing downtime to my applications? Where can I learn more about the migration to Azure Front Door Standard or Premium?

Microsoft provides a zero-downtime migration tool. To help you understand and perform the migration process, the following resources are available:

  • Familiarize yourself with the zero-downtime migration tool. Pay attention to the section Breaking changes when migrating to Standard or Premium tier.
  • Understand the settings mapping between the different Azure Front Door tiers.
  • Learn the process of migrating from Azure Front Door (classic) to Standard or Premium tier using the Azure portal or Azure PowerShell.

How does migrating to Azure Front Door Standard or Premium affect the total cost of ownership (TCO)?

For more information, see the pricing comparison between Azure Front Door tiers.

Which clouds does Azure Front Door (classic) retirement apply to?

Currently, Azure Front Door (classic) retirement affects the public cloud and Azure Government in the regions of Arizona and Texas.

Can I make updates to Azure Front Door (classic) resources?

You can still update your existing Azure Front Door (classic) resources by using the Azure portal, Terraform, and all command line tools until March 31, 2027. However, you can't create new Azure Front Door (classic) resources starting April 1, 2025. Starting August 15, 2025, Azure Front Door (classic) no longer supports managed certificates. Migrate to Azure Front Door Standard or Premium tier as soon as possible.

Can I roll back to Azure Front Door (classic) after migration?

No, once migration is completed successfully, you can't roll back to classic. If you encounter any issues, raise a support ticket for assistance.

How are Azure Front Door (classic) resources handled after migration?

Delete the Azure Front Door (classic) resource once migration successfully completes. Azure Front Door sends notification through Azure Advisor to remind users to delete the migrated classic resources.

What resources are available for support and feedback?

If you have a support plan and need technical assistance, create a support request with the following information:

  • Issue type, select Technical.
  • Subscription, select the subscription you need assistance with.
  • Service, select My services, and then select Front Door Service.
  • Resource, select the Azure Front Door resource.
  • Summary, describe the problem you're experiencing with the migration.
  • Problem type, select Migrating Front Door Classic to Front Door Standard or Premium.

Next step

Migrate Azure Front Door (classic) to Standard or Premium tier

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