Update for application and device compatibility for Windows Server 2008 R2 SP1: September 10, 2020

Applies to: Windows Server 2008 R2 Service Pack 1


This update includes the following:

  • Adds functionality for evaluating the compatibility status of the Windows ecosystem to help ensure application and device compatibility for all updates to Windows.

Important Before you apply this update, see the Prerequisites section.

Known issues in this update

We are currently not aware of any issues that affect this update.

How to get this update

Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.


You must have the following updates installed before you apply this update. If you use Windows Update, these updates will be offered automatically as needed.

Important You must restart your device after you install these required updates and before you apply any Monthly Rollup, Security-Only Update, Preview of Monthly Rollup, or stand-alone update.

File information

File verification

File attributes

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.


For information on SSUs, see the following articles:

Learn about the terminology that Microsoft uses to describe software updates.