Public mode

No access to your tenant or devices. Every item links to its source. What this means

Some sources, documents or advisories need attention: 271/272 feeds/APIs · 469/469 docs · 8/9 advisories · checked 08:08 UTC Customize Public modeDiscuss ChangeIntel on Discord

Frequently asked questions about the Secure Boot update process

Microsoft 365 Message Center Archive by Merill Fernando · Microsoft may not have sent this notice to your tenant.

What the notice says

Microsoft’s text, with source markup removed
Do you have questions about Windows Secure Boot certificate expiration? It’s best to update Secure Boot certificates well before the June 2026 expiration date. Check out an initial set of frequently asked questions and answers that will be updated with time. Explore different scenarios and recommendations that will help you plan and prepare.    When will this happen:  The questions and answers are already available to you. More questions and answers might be added with time.    How this will affect your organization:  This set of questions is available to help your organization plan and prepare for Secure Boot certification expiration.     What you need to do to prepare:  Read additional information.    Additional information:  Browse Frequently asked questions about the Secure Boot update process.  Bookmark the landing page for Windows Secure Boot certificate expiration and CA updates.  Catch up on recommendations for Windows devices with IT-managed updates.

What changed

Between archive captures, newest first

The archive supplies one version of this notice.

Linked documentation

Microsoft pages the notice links to

The notice links to no Microsoft Learn or Support page that this installation reads.

No related evidence found in this installation's recent collection. This does not establish that no announcement exists.

Not confirmed here

What this page cannot tell you
  • Whether your tenant is affected: this is Microsoft's notice, not a check of your settings.
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 27 Oct 08:08 UTC · 271 of 272 readable · 270 fully read · documentation 469/469 current