product · inferred from evidence
KB5020435
An out-of-band Windows update for Windows 10 versions 20H2 through 22H2.
- Azure text to speech timeouts: WS_OPEN_ERROR_UNDERLYING_IO_OPEN_FAILED after Windows update
Since October 12 our production text to speech broke. We convert SSML with the Speech SDK and now get SynthesizeCanceled with ServiceTimeout and USP error: timeout waiting for the first audio chunk, plus WS_OPEN_ERROR_UNDERLYING_IO_OPEN_FAI