π ~1 min read
Table of contents
Symptom & Impact
LCU install on Windows Server 2019 fails with 0x8007007E or 0x800f0922 because the matching Servicing Stack Update has not been applied.
Environment & Reproduction
Reproduces when applying a recent cumulative update to a server that is several months behind on servicing stack patches.
wusa.exe windows10.0-kb5036000-x64.msu /quiet /norestart
Root Cause Analysis
Recent LCUs depend on a newer SSU; without it, the servicing stack cannot process the package manifests.
Quick Triage
Check the most recent SSU installed and compare with the LCU prerequisites.
Get-HotFix | Where Description -Like 'Security Update*' | Sort InstalledOn -Desc | Select -First 5
Step-by-Step Diagnosis
Inspect CBS log for prerequisite errors.
Select-String C:WindowsLogsCBSCBS.log -Pattern 'prerequisite|Servicing Stack' | Select -Last 50

Solution β Primary Fix
Install the latest SSU first, reboot, then apply the LCU.
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wusa.exe windows10.0-kb5036xxx-ssu-x64.msu /quiet /norestart
shutdown /r /t 0
wusa.exe windows10.0-kb5036000-x64.msu /quiet /norestart

Solution β Alternative Approaches
Use the combined SSU+LCU package that Microsoft ships for current cumulative releases.
wusa.exe windows10.0-kb5036000-ssu-combined-x64.msu /quiet /norestart
Verification & Acceptance Criteria
Get-HotFix lists the new KB and DISM reports component store healthy.
dism /online /cleanup-image /checkhealth
Rollback Plan
Uninstall the LCU with wusa if it introduces regressions; SSU is not uninstallable.
wusa.exe /uninstall /kb:5036000 /quiet /norestart
Prevention & Hardening
Always deploy the current SSU as part of the monthly patch ring before LCU rollout.
# In WSUS, approve SSU first in the maintenance ring
Related Errors & Cross-Refs
Related: 0x800f081f component missing, DISM repair failures, and WSUS expression-only approval errors.
Related tutorial: View the step-by-step tutorial for Windows Server 2019.
View all Windows Server 2019 tutorials on the Tutorials Hub β
Browse all common problems & solutions on the Tutorials Hub.
References & Further Reading
Microsoft Learn documentation on Servicing Stack Updates and Windows Server cumulative update prerequisites.
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