topic Re: Cannot upgrade The Cortex XDR from 7.9.1.26645 to 8.1.1.43337 in Cortex XDR Discussions

Cannot upgrade The Cortex XDR from 7.9.1.26645 to 8.1.1.43337

NicChen — Tue, 24 Oct 2023 07:57:52 GMT

The error message is that Cortex XDR requires Azure Code Signing support. See Microsoft KB5022661 for details. The I navigated to https://support.microsoft.com/en-gb/topic/kb5022661-windows-support-for-the-azure-code-signing-program-4b505a31-fa1e-4ea6-85dd-6630229e8ef4 for support. I tried to install KB5005624, however once installed, it keep rolling back the KB file, any solution/workaround to resolve this issue? My company's PC is windows 10, version 1909.

Re: Cannot upgrade The Cortex XDR from 7.9.1.26645 to 8.1.1.43337

Antony_Chan — Tue, 24 Oct 2023 09:44:25 GMT

@NicChen I don't have a quick solution for you. In our environment, we ended up upgrade the windows 10 to version 21H2 and the issue go away.

Re: Cannot upgrade The Cortex XDR from 7.9.1.26645 to 8.1.1.43337

PiyushKohli — Tue, 24 Oct 2023 09:46:24 GMT

Hi @NicChen

Thank you for writing to live community!

Could you try installing latest Security Patches and perform updates on your Windows and then run ACS check to verify if endpoint is compliant with ACS or not.

Updates for the Windows client OS are typically cumulative, therefore installing latest and updating security patches should resolve the acs requirement instead of installing KB5005624.

Hope this helps!

Please mark the response as "Accept as Solution" if it answers your query.

Re: Cannot upgrade The Cortex XDR from 7.9.1.26645 to 8.1.1.43337

NicChen — Tue, 24 Oct 2023 10:23:09 GMT

Let me have a try and get back to you. Thanks!