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windows-itpro-docs/windows/security/threat-protection/microsoft-defender-atp/get-machine-log-on-users.md
2020-01-06 11:39:49 +02:00

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---
title: Get machine log on users API
description: Retrieves a collection of logged on users.
keywords: apis, graph api, supported apis, get, machine, log on, users
search.product: eADQiWindows 10XVcnh
ms.prod: w10
ms.mktglfcycl: deploy
ms.sitesec: library
ms.pagetype: security
ms.author: macapara
author: mjcaparas
ms.localizationpriority: medium
manager: dansimp
audience: ITPro
ms.collection: M365-security-compliance
ms.topic: article
---
# Get machine log on users API
**Applies to:** [Microsoft Defender Advanced Threat Protection (Microsoft Defender ATP)](https://go.microsoft.com/fwlink/p/?linkid=2069559)
- Want to experience Microsoft Defender ATP? [Sign up for a free trial.](https://www.microsoft.com/microsoft-365/windows/microsoft-defender-atp?ocid=docs-wdatp-exposedapis-abovefoldlink)
## API description
Retrieves a collection of logged on users on a specific machine.
## Limitations
1. You can query on machines last seen in the past 30 days.
2. Rate limitations for this API are 100 calls per minute and 1500 calls per hour.
## Permissions
One of the following permissions is required to call this API. To learn more, including how to choose permissions, see [Use Microsoft Defender ATP APIs](apis-intro.md)
Permission type | Permission | Permission display name
:---|:---|:---
Application | User.Read.All | 'Read user profiles'
Delegated (work or school account) | User.Read.All | 'Read user profiles'
>[!Note]
> When obtaining a token using user credentials:
>- The user needs to have at least the following role permission: 'View Data' (See [Create and manage roles](user-roles.md) for more information)
>- Response will include users only if the machine is visible to the user, based on machine group settings (See [Create and manage machine groups](machine-groups.md) for more information)
## HTTP request
```
GET /api/machines/{id}/logonusers
```
## Request headers
Name | Type | Description
:---|:---|:---
Authorization | String | Bearer {token}. **Required**.
## Request body
Empty
## Response
If successful and machine exist - 200 OK with list of [user](user.md) entities in the body. If machine was not found - 404 Not Found.
## Example
**Request**
Here is an example of the request.
[!include[Improve request performance](../../includes/improve-request-performance.md)]
```
GET https://api.securitycenter.windows.com/api/1e5bc9d7e413ddd7902c2932e418702b84d0cc07/logonusers
```
**Response**
Here is an example of the response.
```
HTTP/1.1 200 OK
Content-type: application/json
{
"@odata.context": "https://api.securitycenter.windows.com/api/$metadata#Users",
"value": [
{
"id": "contoso\\user1",
"accountName": "user1",
"accountDomain": "contoso",
"accountSid": "S-1-5-21-72051607-1745760036-109187956-93922",
"firstSeen": "2019-12-18T08:02:54Z",
"lastSeen": "2020-01-06T08:01:48Z",
"mostPrevalentMachineId": "111153d0c675eaa415b8e5f383c6388bff446c62",
"leastPrevalentMachineId": "111153d0c675eaa415b8e5f383c6388bff446c62",
"logonTypes": "Interactive",
"logOnMachinesCount": 8,
"isDomainAdmin": true,
"isOnlyNetworkUser": false
},
...
]
}
```