The monthly rollup update for Windows 2012 Server R2 has been released. The KB5009624 monthly rollup contains security updates that address security vulnerabilities. This post from MiniTool discusses bug fixes, improvements, and issues due to the KB5009624 monthly rollup update.

Windows 8.1 and Windows Server 2012 R2 have ended mainstream support and are now in extended support. Starting in July 2020, there will no longer be an optional non-secure version (known as the "C" version) of this operating system. Extended supported operating systems only have cumulative monthly security updates (called "B" or Update Tuesday releases).

The monthly rollup update for Windows 2012 Server R2 has been released. The KB5009624 monthly rollup contains security updates that address security vulnerabilities. However, the KB5009624 update caused some issues when installing. System administrators report the following issues on Windows Server 2012 R2:

  • LDAP bind might fail on Windows Server 2012 R2.
  • There is a problem with the ReFS volume or drive. Internal and external ReFS volumes may become RAW after installing the KB5009624 Monthly Rollup Security Update.
  • Boot loop on Windows Server 2012 R2 after installing update KB5009624. The server is stuck in an infinite loop and cannot get past the restart loop.
  • VPN connections through Windows Server 2012 R2 may fail. VPN issues can affect PPTP or L2TP VPN endpoints on the server.
  • Hyper VM V is known to be affected on some servers. This can lead to virtual machine failures and hypervisor outages.
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How to Get KB5009624

After installing the latest servicing stack update, you can download and install KB5009624. There are two ways for you to get the KB5009624.

Way 1: Install KB5009624 via Windows Update

The commonly used method to install this optional update is using Windows Update in the Settings app.

Step 1: Go to Start > Settings > Update & Security > Windows Update.

Step 2: Click the Check for updates button and then you can see this Windows 10 KB5009624 update.

Step 3: Click Download and install to install it on your device.

Step 4: Click Restart now to restart your computer to complete the whole process.

Way 2: Download KB5009624 Offline Installers

You can also download the latest update manually if you don't get what you want by following the section above. Follow the below guide:

Step 1: Go to the Microsoft Update Catalog official website. On the search bar, enter the KB5009624. The following updates can only be downloaded and installed via the Microsoft Update Catalog:

  • Windows 8.1, Windows Server 2012 R2: KB5010794
  • Windows Server 2012: KB5010797

Updates for these Windows versions are also available through Windows Update as an optional update:

  • Windows 11, version 21H1 (original release): KB5010795
  • Windows Server 2022: KB5010796
  • Windows 10, version 21H2: KB5010793
  • Windows 10, version 21H1: KB5010793
  • Windows 10, version 20H2, Windows Server, version 20H2: KB5010793
  • Windows 10, version 20H1, Windows Server, version 20H1: KB5010793
  • Windows 10, version 1909, Windows Server, version 1909: KB5010792
  • Windows Server 2019: KB5010791 (Released on 1/18/22)
  • Windows 10, version 1607, Windows Server 2016: KB5010790
  • Windows 10, version 1507: KB5010789
  • Windows 7 SP1: KB5010798
  • Windows Server 2008 SP2: KB5010799

Step 2: After that, press Enter and you will get a list of matching results. Choose the one that best matches your system configuration, i.e. x86/x64/ARM64, and click the download button.

Step 3: On the screen that follows, you can click the top link and the standalone package for your PC will begin downloading.

Step 4: Once the download is complete, open the folder containing the settings file and double-click it.

If you encounter issues after installing KB5009624, you can choose to uninstall it.

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