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Azure speech service error: AuthenticationFailure / WebSocket upgrade failed: Authentication error (401)

Bruce Haley 95 Reputation points
2024-09-13T07:06:42.7333333+00:00

Today, my Azure bot using Azure Speech Service started failing with: "AuthenticationFailure / WebSocket upgrade failed: Authentication error (401). Please check subscription information and region name."

This has worked this whole year, and as recently as noon today. I first noticed the problem this evening around 9 PM.

Testing in Windows Voice Assistant Client v1.23.0, I get the same error: Error (AuthenticationFailure) : WebSocket upgrade failed: Authentication error (401).

Running "Test in Web Chat" in the Azure portal, it works without error.

Why am I getting this AuthenticationFailure all of a sudden? My subscriptions are paid up. I see no errors anywhere else.

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