My Azure Translator service keeps failing intermittently, then automatically fixed

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My Azure Translator service keeps failing intermittently, then automatically fixed

John Whitney 0

My Azure Translator service goes down on a routine basis, then comes back up at some point. Please help. To reproduce this issue, I simply go to the "TryIt" tab on the translator service page, type in "Hello World", and I get the following error: Translation failed. Please try again later. It is also failing when I try to make a call to this service from my web app.

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Answer 1

Ravada Shivaprasad 920 Microsoft External Staff Moderator

Hi John Whitney

The Azure Translator service has been encountering sporadic disruptions, where it temporarily goes offline and then resumes functionality. Users interacting with the service—either through the TryIt tab on the Translator service page or via web application calls—are receiving an error message that reads, “Translation failed. Please try again later.”

These intermittent failures may be attributed to a variety of underlying causes, including network connectivity issues, service-level interruptions, or misconfigured authentication settings. To address this, it is essential to begin by checking the current status of the Azure Translator service to determine whether there are any ongoing outages. Next, authentication mechanisms should be verified, ensuring that the correct headers are used—either the Ocp-Apim-Subscription-Key or the Authorization header with a valid Bearer token.

Additionally, network connectivity between the web application and the Translator endpoint should be assessed to rule out any latency or access issues. It is also advisable to consult the Azure AI Translator documentation for any known issues that might be affecting text translation. For example, a typical request using the Ocp-Apim-Subscription-Key header would involve a POST call to the translation endpoint with the appropriate headers and payload. After completing these diagnostic steps, the service should be retested using the TryIt tab or a direct call from the web app to confirm that the issue has been resolved. The expected outcome is a stable and reliable translation experience without recurring failures.

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John Whitney 0 Reputation points

2025-06-14T10:51:22.7766667+00:00

No, that does not help. Your answer is the same standard AI response I get when asking Copilot. There is no problem with my authentication or network, which is confirmed when the service starts working again without any changes on my part, whatsoever. Is there a human microsoft support rep that can assist?
Ravada Shivaprasad 920 Reputation points Microsoft External Staff Moderator

2025-07-04T01:19:11.06+00:00

Hi John Whitney

Sorry for Delayed Response. We understand how frustrating it is to experience intermittent failures with the Azure Translator service, especially when no changes have been made on your end. Based on internal investigations and similar cases, this issue appears to be linked to service-level instability that may not always be reflected in the Azure Status Portal. Multiple users across different regions—including East US 2, Canada Central, and Global—have reported similar disruptions, even after recreating resources and adjusting pricing tiers.
These failures are not typically caused by authentication or network misconfigurations, as confirmed by users who observed the service resuming without any intervention. Instead, the root causes may include region-specific service disruptions, internal server errors, or transactions per second (TPS) throttling. Microsoft’s documentation also highlights known issues with private endpoints and preview features that can lead to intermittent failures.
To improve reliability, we recommend using the Global region for your Translator resource, as it has shown better performance. Upgrading to a higher pricing tier may also help if TPS limits are being breached. Additionally, capturing HAR logs during failure events can assist with diagnostics. Since the customer requested human support, we suggest opening a support request via the Azure Portal under “Help + Support,” referencing internal case and known issue ICM*.* This will help Microsoft Support prioritize and contextualize the issue more effectively.

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Answer 2

John Whitney 0

Hi Ravada,

I have switched to the Google Cloud translation service, as this service seems to be much more reliable.

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My Azure Translator service keeps failing intermittently, then automatically fixed

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