PowerShell Error Handling with Try, Catch, and Finally
PowerShell error handling is easy to ignore while a script is still small. A command fails, the red text appears, and you fix the problem while looking at the console. That stops working when the same script runs from Task Scheduler, a deployment tool, a remote session, or a service account. At that point, the script needs to explain what failed without you watching it live. For production scripts, I usually want two things at the same time: a clear message on the screen when I run the script manually, and a log file that remains after the console is closed. try, catch, and finally are the basic tools for that pattern. ...