Query Details

Defender for Endpoint - Device Inventory - Windows LTSC devices

MDE Windows 10 LTSC Inventory

Query

let ltscdevices = DeviceTvmInfoGathering
    | summarize arg_max(Timestamp, *) by DeviceId
    | extend LtscDeviceId = DeviceId
    | extend LtscDeviceName = DeviceName
    | extend AF = parse_json(AdditionalFields)
    | evaluate bag_unpack(AF)
    | where IsWindowsLtscVersionRunning == "true"
    | project LtscDeviceId, LtscDeviceName, IsWindowsLtscVersionRunning;
DeviceInfo
| where isnotempty(OSArchitecture)
| summarize arg_max(Timestamp, *) by DeviceId
| where OnboardingStatus == 'Onboarded'
| where OSPlatform == @"Windows10"
| join kind=leftouter (ltscdevices)
    on $left.DeviceId == $right.LtscDeviceId
| extend IsLtsc = iff(IsWindowsLtscVersionRunning == "true", "true", "false")
| project Timestamp, DeviceId, DeviceName, IsLtsc, OSArchitecture, OSPlatform, OSBuild, OSVersionInfo, OSVersion,
    JoinType, MachineGroup
//| summarize count() by IsLtsc
//| render piechart

About this query

Defender for Endpoint - Device Inventory - Windows LTSC devices

Query Information

Description

Use the below queries to identify Windows 10 LTSC devices within your MDE inventory

References

Defender 365

We now have information within the DeviceTvmInfoGathering table about ltsc

DeviceTvmInfoGathering
| extend AF = parse_json(AdditionalFields)
| evaluate bag_unpack(AF)
| where IsWindowsLtscVersionRunning == @"true"

All Windows 10 devices running ltsc and sac, filter on IsLtsc true/false when you just want to see the ltsc/sac devices.

Explanation

The query is used to identify Windows 10 LTSC (Long-Term Servicing Channel) devices within the MDE (Microsoft Defender for Endpoint) inventory. It retrieves information from the DeviceTvmInfoGathering and DeviceInfo tables and filters the results based on the IsWindowsLtscVersionRunning field. The query also includes additional fields such as DeviceId, DeviceName, OSArchitecture, OSPlatform, OSBuild, OSVersionInfo, OSVersion, JoinType, and MachineGroup.

Details

Alex Verboon profile picture

Alex Verboon

Released: June 4, 2023

Tables

DeviceTvmInfoGatheringDeviceInfo

Keywords

DevicesIntuneUserDefender for EndpointDevice InventoryWindows LTSC devices

Operators

extendevaluatewhereparse_jsonbag_unpacksummarizebyprojectisnotemptyjoinoniffTimestampDeviceIdDeviceNameIsLtscOSArchitectureOSPlatformOSBuildOSVersionInfoOSVersionJoinTypeMachineGroup

Actions

GitHub