Event ID 4122 — The following DMA (Direct Memory Access) capable devices are not declared as protected from external access, which can block security features such...

Provider: Microsoft-Windows-BitLocker-API
Channel: BitLocker Management
Level: Informational

Description

The following DMA (Direct Memory Access) capable devices are not declared as protected from external access, which can block security features such as BitLocker automatic device encryption.

Message #

The following DMA (Direct Memory Access) capable devices are not declared as protected from external access, which can block security features such as BitLocker automatic device encryption:

%1

Fields #

Name	Description
`LocalizedText` UnicodeString	The following DMA (Direct Memory Access) capable devices are not declared as protected from external access, which can block security features such as BitLocker automatic device encryption

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-BitLocker-API",
    "guid": "5D674230-CA9F-11DA-A94D-0800200C9A66",
    "event_source_name": "",
    "event_id": 4122,
    "version": 0,
    "level": 4,
    "task": 0,
    "opcode": 0,
    "keywords": 4611686018427387904,
    "time_created": "2023-11-05T22:28:46.216571+00:00",
    "event_record_id": 2,
    "correlation": {},
    "execution": {
      "process_id": 4412,
      "thread_id": 4416
    },
    "channel": "Microsoft-Windows-BitLocker/BitLocker Management",
    "computer": "WinDev2310Eval",
    "security": {
      "user_id": "S-1-5-18"
    }
  },
  "event_data": {
    "LocalizedText": "\r\nISA Bridge:\r\n\tPCI\\VEN_8086&DEV_7110 (PCI to ISA Bridge)\r\n\r\nPCI-to-PCI Bridge:\r\n\tPCI\\VEN_15AD&DEV_0790 (PCI-to-PCI Bridge)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_15AD&DEV_07A0 (PCI Express Root Port)\r\n\tPCI\\VEN_8086&DEV_7191 (PCI-to-PCI Bridge)\r\n"
  },
  "message": ""
}

References #

Example event sourced from https://github.com/NextronSystems/evtx-baseline