{"id":"ads-0x274d","model_id":"0x274D","name":"0x274D Connection refused","summary":"This Winsock error means a connection attempt was actively rejected by the target host.","study_notes":["Decimal equivalent: 10061.","Winsock symbolic name: WSAECONNREFUSED."],"safety_notes":[],"sources":[{"url":"https://infosys.beckhoff.com/content/1033/tcadscommon/374277003.html","title":"ADS Return Codes","accessed":"2026-10-26"}],"verification":{"status":"source_checked","checked_at":"2026-10-26","values":3,"method":"llm_source_check"},"updated_at":"2026-10-26","type":"alarm","spec":{"code":"0x274D","controllers":["beckhoff-twincat-3"],"meaning":"The target computer refused the connection request, usually because no server application is running on the requested service."},"url":"https://machineschema.com/alarm/ads-0x274d","license":"https://creativecommons.org/licenses/by/4.0/"}