Event ID 4257 — Starting to download policies.

{
  "system": {
    "provider": "Microsoft-Windows-GroupPolicy",
    "guid": "AEA1B4FA-97D1-45F2-A64C-4D69FFFD92C9",
    "event_source_name": "",
    "event_id": 4257,
    "version": 0,
    "level": 4,
    "task": 0,
    "opcode": 0,
    "keywords": 4611686018427387904,
    "time_created": "2022-04-07T17:39:37.495445+00:00",
    "event_record_id": 882,
    "correlation": {
      "ActivityID": "2CF6CF52-0A34-47C3-987B-53FCBD5B6234"
    },
    "execution": {
      "process_id": 1352,
      "thread_id": 4040
    },
    "channel": "Microsoft-Windows-GroupPolicy/Operational",
    "computer": "WIN-FPV0DSIC9O6.lab.local",
    "security": {
      "user_id": "S-1-5-18"
    }
  },
  "event_data": {
    "IsMachine": true,
    "IsBackgroundProcessing": true,
    "IsAsyncProcessing": true
  },
  "message": ""
}