Event ID 403 — Registration of device by Windows Defender Advanced Threat Protection service completed.
Description
Successful registration to authentication service. Normal operating notification; no action required.
Message #
Example Event #
{
"system": {
"provider": "Microsoft-Windows-SENSE",
"guid": "FAE96D09-ADE1-5223-0098-AF7B67348531",
"event_source_name": "",
"event_id": 403,
"version": 0,
"level": 4,
"task": 0,
"opcode": 0,
"keywords": 9223372036854775808,
"time_created": "2026-03-09T00:56:55.322831+00:00",
"event_record_id": 2414,
"correlation": {},
"execution": {
"process_id": 3492,
"thread_id": 3460
},
"channel": "Microsoft-Windows-SENSE/Operational",
"computer": "LAB-WIN11",
"security": {
"user_id": "S-1-5-18"
}
},
"event_data": {},
"message": ""
}