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Attempt mds credential removal after agent is stopped #283

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Merged
google-oss-prow merged 1 commit into from
Jan 29, 2026
Merged

Attempt mds credential removal after agent is stopped #283

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8 changes: 7 additions & 1 deletion sysprep/sysprep.ps1
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Original file line number Diff line number Diff line change
Expand Up @@ -83,6 +83,7 @@ $script:setupscripts_dir_loc = "$env:WinDir\Setup\Scripts"
$script:setupcomplete_loc = "$script:setupscripts_dir_loc\SetupComplete.cmd"
$script:sysprep_output_file_loc = "C:\Windows\System32\Sysprep\Panther\setupact.log"
$script:ggactl = "$gce_install_dir\agent\ggactl_plugin.exe"
$script:mds_creds = "C:\ProgramData\Google\Compute Engine\mds-mtls-*"

# Check if the help parameter was called.
if ($help) {
Expand Down Expand Up @@ -270,13 +271,18 @@ $PSHome\powershell.exe -NoProfile -NoLogo -ExecutionPolicy Unrestricted -File "$
}
}

Write-Log 'Clearing MTLS MDS certs.'
Write-Log 'Clearing MTLS MDS certs from cert store.'
@('Cert:\LocalMachine\My', 'Cert:\LocalMachine\Root') | ForEach-Object {
if (Test-Path $_) {
Get-ChildItem $_ | Where-Object {$_.Issuer -Match 'google.internal'} | Remove-Item
}
}

Write-Log 'Clearing MDS MTLS credentials from disk.'
if (Test-Path $script:mds_creds) {
Remove-Item $script:mds_creds -Recurse -Force -ErrorAction SilentlyContinue
}

if ([System.Environment]::OSVersion.Version.Build -ge 10240) {
Write-Log "Enabling RDP and WinRM firewall rules using PowerShell. Build $([System.Environment]::OSVersion.Version.Build)"
New-NetFirewallRule -DisplayName 'Windows Remote Management (HTTPS-In)' -Direction Inbound -LocalPort 5986 -Protocol TCP -Action Allow -Profile Any
Expand Down