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