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Fix: Windows 10 LTSB/LTSC Cumulative Update Installation

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Since Windows 10 is out of support and only allows ESU updates, LTSB/LTSC builds are impacted by this and are unable to be offline serviced.

This commit fixes that by installing the CU in the VM, staging the update in a LTSCUpdate folder in the Apps folder.
This commit is contained in:
rbalsleyMSFT
2026-02-13 17:25:26 -08:00
parent 6e6abfe833
commit 42b0b0c350
5 changed files with 250 additions and 20 deletions
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FFUDevelopment/FFU.Common/FFU.Common.Cleanup.psm1
+9
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@@ -95,6 +95,15 @@ function Invoke-FFUPostBuildCleanup {
}
}
# Always remove LTSC update staging folder (out-of-band cleanup exception)
if (-not [string]::IsNullOrWhiteSpace($AppsPath) -and (Test-Path -LiteralPath $AppsPath -PathType Container)) {
$ltscUpdateFolder = Join-Path $AppsPath 'LTSCUpdate'
if (Test-Path -LiteralPath $ltscUpdateFolder) {
WriteLog "CommonCleanup: Removing LTSC update staging folder $ltscUpdateFolder"
try { Remove-Item -LiteralPath $ltscUpdateFolder -Recurse -Force -ErrorAction Stop } catch { WriteLog "CommonCleanup: Failed removing $ltscUpdateFolder : $($_.Exception.Message)" }
}
}
if ($RemoveUpdates) {
if (-not [string]::IsNullOrWhiteSpace($AppsPath) -and (Test-Path -LiteralPath $AppsPath)) {
# Remove per-run app update payloads stored under Apps