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code is now working for clusters also #10

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code is now working for clusters also #10

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1fd30b1
code is now working for clusters also
May 30, 2019
3f898ab
there was a bug when the default database for current login was not m…
Jun 6, 2019
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15 changes: 11 additions & 4 deletions Get-MSSQLLinkPasswords.psm1
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Original file line number Diff line number Diff line change
Expand Up @@ -41,8 +41,7 @@ function Get-MSSQLLinkPasswords{
Add-Type -assembly System.Security
Add-Type -assembly System.Core

# Set local computername and get all SQL Server instances
$ComputerName = $Env:computername
# get all SQL Server instances
$SqlInstances = (Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Microsoft SQL Server' -Name InstalledInstances).InstalledInstances

$Results = New-Object "System.Data.DataTable"
Expand All @@ -52,7 +51,15 @@ function Get-MSSQLLinkPasswords{
$Results.Columns.Add("Password") | Out-Null

foreach ($InstanceName in $SqlInstances) {

$instance_name_entry = (Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Microsoft SQL Server\Instance Names\SQL' -Name $InstanceName).$InstanceName
# we can only get the cluster name if this instance is clustered
$cluster = (Get-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Microsoft SQL Server\$instance_name_entry\Cluster" -Name 'ClusterName').ClusterName 2> $null
if ($cluster) {
$ComputerName = $cluster
} else {
$ComputerName = $env:COMPUTERNAME
}

# Start DAC connection to SQL Server
# Default instance MSSQLSERVER -> instance name cannot be used in connection string
if ($InstanceName -eq "MSSQLSERVER") {
Expand All @@ -71,7 +78,7 @@ function Get-MSSQLLinkPasswords{
if ($Conn.State -eq "Open"){
# Query Service Master Key from the database - remove padding from the key
# key_id 102 eq service master key, thumbprint 3 means encrypted with machinekey
$SqlCmd="SELECT substring(crypt_property,9,len(crypt_property)-8) FROM sys.key_encryptions WHERE key_id=102 and (thumbprint=0x03 or thumbprint=0x0300000001)"
$SqlCmd="SELECT substring(crypt_property,9,len(crypt_property)-8) FROM master.sys.key_encryptions WHERE key_id=102 and (thumbprint=0x03 or thumbprint=0x0300000001)"
$Cmd = New-Object System.Data.SqlClient.SqlCommand($SqlCmd,$Conn);
$SmkBytes=$Cmd.ExecuteScalar()

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