Windows Server 2022 build 20348.5024 (KB5091575) — release notes, known issues

Windows Server · 2022 · Release · Out-of-band update

April 19, 2026—KB5091575 (OS Build 20348.5024) Out-of-band

Windows Server 2022: Supported LTSC release

All 2022 builds JSON — this build from the builds API

Microsoft's known issues — KB5091575

Issue Known issue Some devices with an unrecommended BitLocker Group Policy configuration might be required to enter their BitLocker recovery key on the first restart after installing this update. This issue only affects a limited number of systems in which ALL of the following conditions are true. These conditions are unlikely to be found on personal devices not managed by IT departments. BitLocker is enabled on the OS drive. The Group Policy " Configure TPM platform validation profile for native UEFI firmware configurations " is configured, and PCR7 is included in the validation profile (or the equivalent registry key is set manually). System Information ( msinfo32.exe ) reports Secure Boot State PCR7 Bindi Workaround: Remove the Group Policy configuration before installing the update (Recommended) Open Group Policy Editor ( gpedit.msc ) or your Group Policy Management Console. Navigate to: Computer Configuration > Administrative Templates > Windows Components > BitLocker Drive Encryption > Operating System Drives . Set " Configure TPM platform validation profile for native UEFI firmware configurations " to " Not Configured ". Run the following command on affected devices to propagate the policy change: gpupdate /force Run the following command to suspend BitLocker (where BitLocker is enabled on the C: drive): manage-bde -protectors -disable C: Run the following command to resume BitLocker (where BitLocker

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