0x00002B01
WSA_QOS_REQUEST_CONFIRMED
Reserve has been confirmed.
win32decimal 11009Networking
Matched as: the code as given (hex)
Log a case with no specific solution
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