add more pre-reqs

This commit is contained in:
Joey Caparas
2019-04-02 16:39:42 -07:00
parent a48b6b7884
commit f76c6eecf7

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@ -15,7 +15,6 @@ manager: dansimp
audience: ITPro
ms.collection: M365-security-compliance
ms.topic: article
ms.date: 04/24/2018
---
# Take response actions on a file
@ -112,6 +111,8 @@ You can prevent further propagation of an attack in your organization by banning
>- This feature is available if your organization uses Windows Defender Antivirus and Cloudbased protection is enabled. For more information, see [Manage cloudbased protection](../windows-defender-antivirus/deploy-manage-report-windows-defender-antivirus.md). </br></br>
>- This feature is designed to prevent suspected malware (or potentially malicious files) from being downloaded from the web. It currently supports portable executable (PE) files, including _.exe_ and _.dll_ files. The coverage will be extended over time.
>- This response action is available for machines on Windows 10, version 1703 or later.
>- The Antimalware client version must be 4.18.1901.x or later.
>- The allow or block function cannot be done on files if the file's classification exists on the device's cache prior to the allow or block action.
>[!NOTE]
> The PE file needs to be in the machine timeline for you to be able to take this action.