Applies to: Windows Server 2019 This security update includes fixes and quality improvements that are part of the following update: December 9, 2025—KB5071544 (OS Build 17763.8146) December 18, 2025—KB5074975 (OS Build 17763.8148) Out-of-band The following is a summary of the issues that this update addresses when you install this update. The bold text within the brackets indicates the ...

Learn what to do when you receive a NAT type: Unavailable error message on Xbox.

If you see error E100 when you try to update your Xbox console, this means there may have been a problem installing the update. Find more solutions here.

This article has guidance for: IT administrators who need visibility into Secure Boot certificate update status from their Intune enrolled Windows devices Organizations preparing for the June 2026 Secure Boot certificate expiration deadline Teams that want to monitor certificate rollout progress across their Intune enrolled Windows devices In this article: Introduction Prerequisites Detection ...

Alpha Ring (2605.260409-2200) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Alpha ring today. Continue reading below to learn all about what's included with this update.

Applies to: Windows Server 2019 This security update includes fixes and quality improvements that are part of the following updates: January 13, 2026—KB5073723 (OS Build 17763.8273) January 17, 2026—KB5077795 (OS Build 17763.8280) Out-of-band January 24, 2026—KB5078131 (OS Build 17763.8281) Out-of-band The following is a summary of the issues that this update addresses when you install ...

Alpha Ring (2506.250612-1215) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Alpha ring today. Continue reading below to learn all about what's included with this update.

Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to boot securely if not updated in time. To avoid disruption, we recommend reviewing the guidance and taking action to update certificates in advance. For details and ...

Omega Ring (2604.260407-2200) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Omega ring today. Continue reading below to learn all about what's included with this update.

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