diff --git a/windows/security/threat-protection/windows-defender-atp/TOC.md b/windows/security/threat-protection/windows-defender-atp/TOC.md
index 66e5384064..a8defba7ee 100644
--- a/windows/security/threat-protection/windows-defender-atp/TOC.md
+++ b/windows/security/threat-protection/windows-defender-atp/TOC.md
@@ -130,7 +130,6 @@
 #####Machines
 ###### [Collect investigation package API](collect-investigation-package-windows-defender-advanced-threat-protection.md)
 ###### [Find machine information by IP](find-machine-info-by-ip-windows-defender-advanced-threat-protection.md)
-###### [Find machine information by FQDN](find-machine-info-by-fqdn-windows-defender-advanced-threat-protection.md)
 ###### [Get machines](get-machines-windows-defender-advanced-threat-protection.md)
 ###### [Get FileMachineAction object API](get-filemachineaction-object-windows-defender-advanced-threat-protection.md)
 ###### [Get FileMachineActions collection API](get-filemachineactions-collection-windows-defender-advanced-threat-protection.md)
diff --git a/windows/security/threat-protection/windows-defender-atp/find-machine-info-by-fqdn-windows-defender-advanced-threat-protection.md b/windows/security/threat-protection/windows-defender-atp/find-machine-info-by-fqdn-windows-defender-advanced-threat-protection.md
deleted file mode 100644
index 341de552f7..0000000000
--- a/windows/security/threat-protection/windows-defender-atp/find-machine-info-by-fqdn-windows-defender-advanced-threat-protection.md
+++ /dev/null
@@ -1,80 +0,0 @@
----
-title: Find machine information by interal FQDN API
-description: Use this API to create calls related to finding a machine entry around a specific timestamp by FQDN.
-keywords: frdn, apis, graph api, supported apis, find machine, machine information
-search.product: eADQiWindows 10XVcnh
-ms.prod: w10
-ms.mktglfcycl: deploy
-ms.sitesec: library
-ms.pagetype: security
-ms.author: macapara
-author: mjcaparas
-ms.localizationpriority: high
-ms.date: 06/20/2018
----
-
-# Find machine information by interal FQDN API
-
-**Applies to:**
-
-- Windows Defender Advanced Threat Protection (Windows Defender ATP)
-
-[!include[Prerelease information](prerelease.md)]
-
-Find a machine entity around a specific timestamp by FQDN.
-
-## Permissions
-User needs read permissions.
-
-## HTTP request
-```
-GET /testwdatppreview/machines/find(timestamp={time},key={FQDN})
-```
-
-## Request headers
-
-Header | Value 
-:---|:---
-Authorization | Bearer {token}. **Required**.
-Content type | application/json
-
-
-## Request body
-Empty
-
-## Response
-If successful and machine exists - 200 OK.
-If no machine found - 404 Not Found.
-
-
-## Example
-
-Request
-
-Here is an example of the request.
-
-```
-GET https://graph.microsoft.com/testwdatppreview/machines/find(timestamp=2018-06-19T10:00:00Z,key='https://contoso.com')
-Content-type: application/json
-```
-
-Response
-
-Here is an example of the response.
-
-The response will return a list of all machines that reported this FQDN address within sixteen minutes prior and after the timestamp. 
-
-```
-HTTP/1.1 200 OK
-Content-type: application/json
-{
-    "@odata.context": "https://graph.microsoft.com/testwdatppreview/$metadata#Machines",
-    "value": [
-        {
-            "id": "04c99d46599f078f1c3da3783cf5b95f01ac61bb",
-            "computerDnsName": "",
-            "firstSeen": "2018-06-19T01:25:04.9480498Z",
-            "osPlatform": "Windows10",
-…
-}
-```