Powershell Ping Test so ..you got a long list of servers on your AD ,but are all of them "alive"? ..and
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
find Update/Hotfix ,oneline
find a specific hotfix by one line command - [crayon-664748c84b3ff750084950/]
Get-Certificate Status – Certificates … Certificates..
Once in a while ... you need to find a certificate about to expired ..so you'll not be Surprised things