how to Find Active Directory Service Accounts with Powershell script - Run the Following PS Command : [crayon-6480c78f0ccd0798246481/] you can change the computer name
Powershell check for user password expiration date
PowerShell – Reset AD User Password
if you need to reset for a user its password ..so just open your Powershell Console.. and this one liner command
Powershell Get-ADComputer – All of My Sons..
How Many computers you're managed ? when did you checked last time ? are all the computers object on your directory are