Event details
It's time for our second Ask Microsoft Anything (AMA) about updating Secure Boot certificates on your Windows devices before they expire in June of 2026. If you've already bookmarked Secure Boot play...
Heather_Poulsen
Updated Feb 19, 2026
sysadmin315
Mar 02, 2026Copper Contributor
On various virtual 2019 servers the certificate update is stuck in "InProgress" even after several reboots and starting the scheduled task. The host updated just fine.
Confirm-SecureBootUEFI returns "True"
Registry key "HKLM:\SYSTEM\CurrentControlSet\Control\SecureBoot" "AvailableUpdates’" set to 0x5944.
Schedule task "\Microsoft\Windows\PI\Secure-Boot-Update" initiated
And the computer rebooted
Arden_White
Microsoft
Mar 02, 2026Some things to look at:
- Check the registry keys UEFICA2023Status, UEFICA2023Error, and UEFICA2023ErrorEvent
- Look for events in the System log with event source TPM-WMI.
- Ensure that the Secure-Boot-Update exists and that it has active triggers (on startup and ever 12 hours)