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Search for existing subscriptions before attempting deletion #1

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18 changes: 17 additions & 1 deletion WEC-Setup.ps1
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Original file line number Diff line number Diff line change
Expand Up @@ -83,7 +83,23 @@ try {
Write-Log "Configured WEF to forward events to localhost."

$subscriptionName = "Security and PowerShell Events"
wecutil ds $subscriptionName 2>&1

# Check if subscription exists before attempting deletion
$existingSub = wecutil gs $subscriptionName 2>$null
if ($LASTEXITCODE -eq 0) {
Write-Log "Existing subscription '$subscriptionName' found. Attempting to delete..."
wecutil ds $subscriptionName 2>$null
if ($LASTEXITCODE -eq 0) {
Write-Log "Existing subscription '$subscriptionName' deleted successfully."
} else {
Write-Log "Failed to delete existing subscription '$subscriptionName'. Exit code: $LASTEXITCODE"
# Deletion failed, stop script.
throw "Failed to delete existing subscription '$subscriptionName'. Exit code: $LASTEXITCODE"
}
} else {
Write-Log "No existing subscription named '$subscriptionName' found. Skipping deletion."
}

$subscriptionXml = @"
<Subscription xmlns="http://schemas.microsoft.com/2006/03/windows/events/subscription">
<SubscriptionId>$subscriptionName</SubscriptionId>
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