---
title: 6424(S) The installation of this device was allowed, after having previously been forbidden by policy. (Windows 10)
description: Describes security event 6424(S) The installation of this device was allowed, after having previously been forbidden by policy.
ms.pagetype: security
ms.prod: w10
ms.mktglfcycl: deploy
ms.sitesec: library
ms.localizationpriority: none
author: dansimp
ms.date: 04/19/2017
ms.reviewer: 
manager: dansimp
ms.author: dansimp
---

# 6424(S): The installation of this device was allowed, after having previously been forbidden by policy.

**Applies to**
-   Windows 10
-   Windows Server 2016


This event occurs rarely, and in some situations may be difficult to reproduce.

***Subcategory:*** [Audit PNP Activity](audit-pnp-activity.md)

***Required Server Roles:*** None.

***Minimum OS Version:*** Windows 10 \[Version 1511\].

***Event Versions:*** 0.

## Security Monitoring Recommendations

-   There is no recommendation for this event in this document.