My Static App is returning a 404 error.

Question

My Static App is returning a 404 error.

elio-andromeda 20

My Azure subscription was suspended after the free trial ended. I then upgraded my subscription, and now everything seems normal, but my static website is still returning a 404 error. It's been 10 hours since the upgrade. Is this normal? Do I need to do anything else to regain public access to my static website?

Golla Venkata Pavani 6,190 Reputation points Microsoft External Staff Moderator

2026-06-16T20:33:44.7533333+00:00

Hi @elio-andromeda

I'm just reaching out to see if your issue has been resolved or if you've had a chance to review my previous comment?
elio-andromeda 20 Reputation points

2026-06-16T21:10:34.57+00:00

Hi,

Thank you very much for reaching out and following up on my case.

Just to provide an update for the community, the 404 error did persist for more than 24 hours even though the subscription upgrade to Pay-As-You-Go was active and successful. No automated reconciliation or caching clearing took place on the platform side to restore the original instance.

To resolve the issue, I had to manually delete the old Static Web App resources, create a completely new Static Web App instance in Azure, and re-trigger the deployment via GitHub Actions. Once the pipeline finished and I re-mapped my custom domain, the Andromeda application became fully accessible again.

It seems the original resource got permanently stuck in a stale state after the transition from the Free Trial. I appreciate your insights, and I'm glad to report the platform is now running smoothly with the new setup.

Best regards, @elio-andromeda

Answer accepted by question author

Golla Venkata Pavani 6,190 Microsoft External Staff Moderator

Hi @elio-andromeda

Thank you for reaching us regarding the issue.

Once a subscription is upgraded or reactivated after suspension (such as at the end of a free trial), resources should generally resume normal operation. However, certain services like Static Web Apps may require additional steps to fully restore public access and serving of content.- Azure Static Web Apps serve static content globally. A 404 - Not Found response (often the default Azure page) typically indicates the site is not properly serving your deployed assets. Common causes include routing misconfigurations, deployment issues, or service state after changes like billing updates.- Subscription status directly affects resource operation. When a subscription is suspended and then reactivated, write operations, deployments, and full service resumption may need explicit triggers.

Recommended Actions (Based on Official Guidance)

Trigger a Redeployment

Push a small change (e.g., update a file or comment) to your connected Git repository. This restarts the GitHub Actions (or Azure Pipelines) workflow and forces a new build + deployment.
Monitor the deployment status in the Azure portal under your Static Web App > Deployments.
Redeployments ensure the latest assets are published and can help resolve service state inconsistencies.

Verify Configuration and Health
- Check the Overview page for the default hostname and status.
- Review your app's staticwebapp.config.json (or equivalent) for fallback routes if using client-side routing (common cause of 404s for SPAs).
- Confirm custom domains (if used) are validated and have valid TLS certificates.
- Ensure your subscription shows as fully active with no past-due balances.

Recreating the Static Web App (new resource linked to the same repo) is another reliable option documented for persistent issues, followed by updating any DNS/custom domain pointers.

Reference:
https://learn.microsoft.com/en-us/azure/static-web-apps/faq
https://azure.microsoft.com/en-us/pricing/details/app-service/static/
Kindly let us know if the above comment helps or you need further assistance on this issue.

Please "accept" if the information helped you. This will help us and others in the community as well.

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2 additional answers

Your answer

Golla Venkata Pavani 6,190 Reputation points Microsoft External Staff Moderator

2026-06-16T20:33:44.7533333+00:00

Hi @elio-andromeda

I'm just reaching out to see if your issue has been resolved or if you've had a chance to review my previous comment?
elio-andromeda 20 Reputation points

2026-06-16T21:10:34.57+00:00

Hi,

Thank you very much for reaching out and following up on my case.

Just to provide an update for the community, the 404 error did persist for more than 24 hours even though the subscription upgrade to Pay-As-You-Go was active and successful. No automated reconciliation or caching clearing took place on the platform side to restore the original instance.

To resolve the issue, I had to manually delete the old Static Web App resources, create a completely new Static Web App instance in Azure, and re-trigger the deployment via GitHub Actions. Once the pipeline finished and I re-mapped my custom domain, the Andromeda application became fully accessible again.

It seems the original resource got permanently stuck in a stale state after the transition from the Free Trial. I appreciate your insights, and I'm glad to report the platform is now running smoothly with the new setup.

Best regards, @elio-andromeda

Answer 1

elio-andromeda 20

Hi,

Thank you for the follow-up! I have just posted the update on the main thread so the community can see how the workflow was restored.

I will gladly accept the answer now to close the case and help other users who might face this same stuck state after a subscription upgrade.

Thanks again for your support!

Best regards, Elio

0 comments

Answer 2

A temporary 404 after subscription changes can occur, but it is not expected to persist long term. In a similar case, the static web app started working again without any manual changes, indicating a transient platform or caching issue that resolved itself.

Given that the subscription is already upgraded and the resource is back in a normal state, no additional configuration is typically required to restore public access. The most likely outcome is that the app will resume serving content once backend caches and systems fully reconcile the subscription change.

If the 404 persists for an extended period (for example, beyond a day) despite the subscription being active and the app resources present, raise a support request with Azure Support so they can check the specific static web app instance and subscription state.

References:

Static web app display azure 404 error - Microsoft Q&A