---
title: Uninstall Microsoft updates
description: Uninstall Microsoft updates in Analytics Platform System (APS).
author: mzaman1
ms.prod: sql
ms.technology: data-warehouse
ms.topic: conceptual
ms.date: 04/17/2018
ms.author: murshedz
ms.reviewer: martinle
ms.custom: seo-dt-2019
---
# Uninstall Microsoft updates in Analytics Platform System
This article describes how to uninstall a previously installed Microsoft update on the Analytics Platform System appliance.
## Before You Begin
### Prerequisites
To perform these steps, you will need:
- An Analytics Platform System login with permissions to access the Admin Console to monitor the appliance.
- Knowledge of the Fabric Domain Administrator account to log in to the **-HST01** node.
## To uninstall Microsoft updates
1. Log in to the **-HST01** node as the Fabric Domain Administrator.
2. To uninstall all updates that are approved for WSUS to uninstall, open a Command Prompt window and enter the following command. Replace the placeholder items *< >* with the appropriate information.
```
C:\pdwinst\media\setup.exe /action="RemoveMicrosoftUpdate" /DomainAdminPasswords=""
```
## Next steps
For more information, see:
- [Download and Apply Microsoft Updates (Analytics Platform System)](download-and-apply-microsoft-updates.md)
- [Apply Analytics Platform System Hotfixes (Analytics Platform System)](apply-analytics-platform-system-hotfixes.md)
- [Uninstall Analytics Platform System Hotfixes (Analytics Platform System)](uninstall-analytics-platform-system-hotfixes.md)
- [Software Servicing (Analytics Platform System)](software-servicing.md)