Here’s a quick Article detailing a PowerShell script that can be used to change the password for a SQL Server Login.

Regular readers know that I practice the philosophy of Automate Everything and DBA administrative tasks are no exception. I don’t want to be doing the same task by hand twice, if I can help it.

A requirement came up recently where I had the need to change a number of SQL Server Logins on multiple SQL Server instances. That’s just the sort of exciting work that PowerShell can be used for.

Below you’ll find a script that I threw together in order to complete the task. It accepts a list of server/instance names as a text file, and then you enter the SQL Server Login name and password as parameters on the command line. You don’t want to be storing those in a text file right!

# Date:         11/01/14
# Author:       John Sansom
# Description:  PS script to change a SQL Login password for a provided server list.
#           The script accepts an input file of server names.
# Version:  1.0
# Example Execution: .\Change_SQLLoginPassword.ps1 .\ServerNameList.txt SQLLogin Password
param([String]$serverListPath, [String]$login, [String]$password)
#Load the input file into an Object array
$ServerNameList = get-content -path $serverListPath
#Load the SQL Server SMO Assembly
[System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.Smo") | Out-Null
#Create a new SqlConnection object
$objSQLConnection = New-Object System.Data.SqlClient.SqlConnection
#For each server in the array do the following..
foreach($ServerName in $ServerNameList)
        $objSQLConnection.ConnectionString = "Server=$ServerName;Integrated Security=SSPI;"
            Write-Host "Trying to connect to SQL Server instance on $ServerName..." -NoNewline
            $objSQLConnection.Open() | Out-Null
            Write-Host "Success."
        Write-Host -BackgroundColor Red -ForegroundColor White "Fail"
        $errText =  $Error[0].ToString()
            if ($errText.Contains("network-related"))
        {Write-Host "Connection Error. Check server name, port, firewall."}
        Write-Host $errText
    #Create a new SMO instance for this $ServerName
    $srv = New-Object "Microsoft.SqlServer.Management.Smo.Server" $ServerName
    #Find the SQL Server Login and Change the Password
    $SQLUser = $srv.Logins | ? {$_.Name -eq "$login"};
    $SQLUser.PasswordPolicyEnforced = 1;
    Write-Host "Password for Login:'$login' changed successfully on server:'$ServerName' "

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