0x0000273B

WSAEPROTONOSUPPORT

The requested protocol has not been configured into the system, or no implementation for it exists.

win32decimal 10043Networking

Matched as: the code as given (hex)

Log a case with no specific solution

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Source: System Error Codes (9000-11999) - Win32 apps · CC-BY-4.0 (MicrosoftDocs/sdk-api, repo license verified 2026-10-09) · retrieved 2026-10-09