Get SQL Server Product Keys and others Info for Local and Remote Servers

Using a string of servers, a text file, or Central Management Server to provide a list of servers, this script obtains the product key and versions for all installed instances on a server or cluster. Supports SQL Server 2005-2014.

SCRIPT:

Function Get-SqlServerKeys {
<#
.SYNOPSIS
Gets SQL Server Product Keys from local and remote SQL Servers. Works with SQL Server 2005-2014

.DESCRIPTION
Using a string of servers, a text file, or Central Management Server to provide a list of servers, this script will go to each server and get the product key for all installed instances. Clustered instances are supported as well. Requires regular user access to the SQL instances, SMO installed locally, Remote Registry enabled and acessible by the account running the script.

.PARAMETER Servers
A comma separated list of servers. This can be the NetBIOS name, IP, or SQL instance name

.PARAMETER CentralMgmtServer
Compiles list of servers to inventory using all servers stored within a Central Management Server. Requires having SQL Management Studio installed.

.PARAMETER ServersFromFile
Uses a text file as input. The file must be formatted as such:
sqlserver1
sqlserver2

.LINK
https://gallery.technet.microsoft.com/scriptcenter/Get-SQL-Server-Product-4b5bf4f8

.EXAMPLE
Get-SqlServerKeys winxp, sqlservera, sqlserver2014a, win2k8
Gets SQL Server versions, editions and product keys for all instances within each server or workstation.

.EXAMPLE
Get-SqlServerKeys -CentralMgmtServer sqlserver01
Gets SQL Server versions, editions and product keys for all instances within sqlserver01’s Central Management Server

.EXAMPLE
Get-SqlServerKeys -ServersFromFile C:\Scripts\servers.txt
Gets SQL Server versions, editions and product keys for all instances listed within C:\Scripts\servers.txt
#>
#Requires -Version 3.0
[CmdletBinding(DefaultParameterSetName=”Default”)]

Param(
[parameter(Position=0)]
[string[]]$Servers,
# Central Management Server
[string]$CentralMgmtServer,
# File with one server per line
[string]$ServersFromFile
)

BEGIN {

Function Unlock-SQLServerKey {
param(
[Parameter(Mandatory = $true)]
[byte[]]$data,
[int]$version
)
try {
if ($version -ge 11) { $binArray = ($data)[0..66] } else { $binArray = ($data)[52..66] }
$charsArray = “B”,”C”,”D”,”F”,”G”,”H”,”J”,”K”,”M”,”P”,”Q”,”R”,”T”,”V”,”W”,”X”,”Y”,”2″,”3″,”4″,”6″,”7″,”8″,”9″
for ($i = 24; $i -ge 0; $i–) {
$k = 0
for ($j = 14; $j -ge 0; $j–) {
$k = $k * 256 -bxor $binArray[$j]
$binArray[$j] = [math]::truncate($k / 24)
$k = $k % 24
}
$productKey = $charsArray[$k] + $productKey
if (($i % 5 -eq 0) -and ($i -ne 0)) {
$productKey = “-” + $productKey
}
}
}
catch { $productkey = “Cannot decode product key.” }
return $productKey
}
}

PROCESS {
if ((Get-Host).Version.Major -lt 3) { throw “PowerShell 3.0 and above required.” }

if ([Reflection.Assembly]::LoadWithPartialName(“Microsoft.SqlServer.SMO”) -eq $null )
{ throw “Quitting: SMO Required. You can download it from http://goo.gl/R4yA6u” }

if ($CentralMgmtServer) {
if ([Reflection.Assembly]::LoadWithPartialName(“Microsoft.SqlServer.Management.RegisteredServers”) -eq $null )
{ throw “Can’t load CMS assemblies. You must have SQL Server Management Studio installed to use the -CentralMgmtServer switch.” }

$server = New-Object Microsoft.SqlServer.Management.Smo.Server $CentralMgmtServer
$sqlconnection = $server.ConnectionContext.SqlConnectionObject

try { $cmstore = new-object Microsoft.SqlServer.Management.RegisteredServers.RegisteredServersStore($sqlconnection)}
catch { throw “Cannot access Central Management Server” }
$dbstore = $cmstore.DatabaseEngineServerGroup
$servers = $dbstore.GetDescendantRegisteredServers().servername
# Add the CM server itself, which can’t be stored in the CM server.
$servers += $CentralMgmtServer
$basenames = @()
foreach ($server in $servers) { $basenames += $server.Split(“\”)[0] }
$servers = $basenames | Get-Unique
}

If ($ServersFromFile) {
if ((Test-Path $ServersFromFile) -eq $false) { throw “Could not find file: $ServersFromFile” }
$servers = Get-Content $ServersFromFile
}

if ([string]::IsNullOrEmpty($servers)) { $servers = $env:computername }

$basepath = “SOFTWARE\Microsoft\Microsoft SQL Server”
# Loop through each server
$objectCollection = @()
foreach ($servername in $servers) {
$servername = $servername.Split(“\”)[0]

if ($servername -eq “.” -or $servername -eq “localhost” -or $servername -eq $env:computername) {
$localmachine = [Microsoft.Win32.RegistryHive]::LocalMachine
$defaultview = [Microsoft.Win32.RegistryView]::Default
$reg = [Microsoft.Win32.RegistryKey]::OpenBaseKey($localmachine,$defaultview)
} else {
# Get IP for remote registry access. It’s the most reliable.
try { $ipaddr = ([System.Net.Dns]::GetHostAddresses($servername)).IPAddressToString }
catch { Write-Warning “Can’t resolve $servername. Moving on.”; continue }

try {
$reg = [Microsoft.Win32.RegistryKey]::OpenRemoteBaseKey(“LocalMachine”, $ipaddr)
} catch { Write-Warning “Can’t access registry for $servername. Is the Remote Registry service started?”; continue }
}

$instances = $reg.OpenSubKey(“$basepath\Instance Names\SQL”,$false)
if ($instances -eq $null) { Write-Warning “No instances found on $servername. Moving on.”; continue }
# Get Product Keys for all instances on the server.
foreach ($instance in $instances.GetValueNames()) {
if ($instance -eq “MSSQLSERVER”) { $sqlserver = $servername } else { $sqlserver = “$servername\$instance” }

$subkeys = $reg.OpenSubKey(“$basepath”,$false)
$instancekey = $subkeys.GetSubKeynames() | Where-Object { $_ -like “*.$instance” }
if ($instancekey -eq $null) { $instancekey = $instance } # SQL 2k5

# Cluster instance hostnames are required for SMO connection
$cluster = $reg.OpenSubKey(“$basepath\$instancekey\Cluster”,$false)
if ($cluster -ne $null) {
$clustername = $cluster.GetValue(“ClusterName”)
if ($instance -eq “MSSQLSERVER”) { $sqlserver = $clustername } else { $sqlserver = “$clustername\$instance” }
}

Write-Verbose “Attempting to connect to $sqlserver”
$server = New-Object Microsoft.SqlServer.Management.Smo.Server $sqlserver
try { $server.ConnectionContext.Connect() } catch { Write-Warning “Can’t connect to $sqlserver or access denied. Moving on.”; continue }
$servicePack = $server.ProductLevel

switch ($server.VersionMajor) {
9 {
$sqlversion = “SQL Server 2005 $servicePack”
$findkeys = $reg.OpenSubKey(“$basepath\90\ProductID”,$false)
foreach ($findkey in $findkeys.GetValueNames()) {
if ($findkey -like “DigitalProductID*”) { $key = “$basepath\90\ProductID\$findkey”}
}
}
10 {
$sqlversion = “SQL Server 2008 $servicePack”
$key = “$basepath\MSSQL10”
if ($server.VersionMinor -eq 50) { $key += “_50”; $sqlversion = “SQL Server 2008 R2 $servicePack” }
$key += “.$instance\Setup\DigitalProductID”
}
11 { $key = “$basepath\110\Tools\Setup\DigitalProductID”; $sqlversion = “SQL Server 2012 $servicePack” }
12 { $key = “$basepath\120\Tools\Setup\DigitalProductID”; $sqlversion = “SQL Server 2014 $servicePack” }
default { Write-Warning “SQL version not currently supported.”; continue }
}
if ($server.Edition -notlike “*Express*”) {
try {
$subkey = Split-Path $key; $binaryvalue = Split-Path $key -leaf
$binarykey = $($reg.OpenSubKey($subkey)).GetValue($binaryvalue)
} catch {$sqlkey = “Could not connect.” }
$sqlkey = Unlock-SQLServerKey $binarykey $server.VersionMajor
} else { $sqlkey = “SQL Server Express Edition”}
$server.ConnectionContext.Disconnect()

$object = New-Object PSObject -Property @{
“SQL Instance” = $sqlserver
“SQL Version” = $sqlversion
“SQL Edition” = $server.Edition
“Product Key” = $sqlkey
}
$objectCollection += $object
}
$reg.Close()
}
$objectCollection | Select “SQL Instance”, “SQL Version”, “SQL Edition”, “Product Key”
}

END {
#Write-Host “Script completed” -ForegroundColor Green
}
}

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