Media Creation Tool - error code 0X80072F8F - 0X20000

Some server that the MediaCreationTool21H2.exe tries to talk to apparently no longer speaks the old TLS 1.0 security protocol, but Windows 7 SP1 still has the newer TLS 1.1 and TLS 1.2 disabled by default, resulting in this error code right at the start. So I had to first run the “Easy fix 51044” MSI to make a few registry changes to enable the more recent TLS versions, and then Media Creation Tool - error code 0X80072F8F - 0X20000 no longer appeared.

The newer operating system booted from the installation ISO image won't have that TLS-version limitation, so using that should be another solution to the same problem.

Details:

https://support.microsoft.com/en-us/topic/update-to-enable-tls-1-1-and-tls-1-2-as-default-secure-protocols-in-winhttp-in-windows-c4bd73d2-31d7-761e-0178-11268bb10392#bkmk_easy

Hi

Welcome to the Microsoft community.

This issue might be because of several reasons such as the security software you may have installed on the computer, any program or application running on the computer at the back ground or due to some errors in the hard drive of the computer.

Please try the methods below and check.

1. Go to C:\Windows\SoftwareDistribution\Downloadand delete all filesin that folder.
2. Press Windows + Xkey on the keyboard.
3. Go to Command Prompt as admin
4. Type this command "wuauclt.exe /updatenow"
5. Press Enter

If the issue persists, Perform the Clean Boot.

Placing your system in Clean Boot state helps in identifying if any third party applications or startup items are causing the issue. You need to follow the steps from the article mentioned below to perform a Clean Boot

How to perform a clean boot in Windows

(Disclaimer: A “clean boot” starts Windows with a minimal set of drivers and startup programs. It helps to determine whether a background program is interfering with your game or program and to isolate the cause of a problem. These steps of "clean boot" might look complicated at first glance. However, to avoid any trouble for you, please follow them in order and step-by step so that it will help you get you back on track.)

Looking forward to your further news.

You are welcome to reply to this topic at any time, and sincerely thank you for your support of Microsoft products and services.

Best regards

Derrick Qian | Microsoft Community Support Specialist

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