Files
DetectionLab/Vagrant/scripts/fix-windows-expiration.ps1
2020-08-04 21:58:18 -07:00

58 lines
2.4 KiB
PowerShell

# Purpose: Re-arms the expiration timer on expiring Windows eval images and fixes activation issues
# Check to see if there are days left on the timer or if it's just expired
$regex = cscript c:\windows\system32\slmgr.vbs /dlv | select-string -Pattern "\((\d+) day\(s\)|grace time expired|0xC004D302|0xC004FC07"
If ($regex.Matches.Value -eq "grace time expired" -or $regex.Matches.Value -eq "0xC004D302") {
# If it shows expired, it's likely it wasn't properly activated
Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) It appears Windows was not properly activated. Attempting to resolve..."
Try {
# The TrustedInstaller service MUST be running for activation to succeed
Set-Service TrustedInstaller -StartupType Automatic
Start-Service TrustedInstaller
Start-Sleep 10
# Attempt to activate
cscript c:\windows\system32\slmgr.vbs /ato
} Catch {
Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) Something went wrong trying to reactivate Windows..."
}
}
Elseif ($regex.Matches.Value -eq "0xC004FC07") {
Try {
cscript c:\windows\system32\slmgr.vbs /rearm
} Catch {
Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) Something went wrong trying to re-arm the image..."
}
}
# If activation was successful, the regex should match 90 or 180 (Win10 or Win2016)
$regex = cscript c:\windows\system32\slmgr.vbs /dlv | select-string -Pattern "\((\d+) day\(s\)"
Try {
$days_left = $regex.Matches.Groups[1].Value
} Catch {
Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) Unable to successfully parse the output from slmgr, not rearming"
$days_left = 90
}
If ($days_left -as [int] -lt 30) {
write-host "$('[{0:HH:mm}]' -f (Get-Date)) $days_left days remaining before expiration"
write-host "$('[{0:HH:mm}]' -f (Get-Date)) Less than 30 days remaining before Windows expiration. Attempting to rearm..."
Try {
# The TrustedInstaller service MUST be running for activation to succeed
Set-Service TrustedInstaller -StartupType Automatic
Start-Service TrustedInstaller
Start-Sleep 10
# Attempt to activate
cscript c:\windows\system32\slmgr.vbs /ato
} Catch {
Try {
cscript c:\windows\system32\slmgr.vbs /rearm
} Catch {
Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) Something went wrong trying to re-arm the image..."
}
}
}
Else {
Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) $days_left days left until expiration, no need to rearm."
}