Powershell – resolve full names to usernames from CSV file

It’s unbelievable how long it took me to figure out this simple Powershell script, but yet it does the trick :).

Often you receive a request to do a certain action with a bunch of accounts, and (obviously) the list provided contains the full names rather usernames. Pain to do it manually, but yet we can utilise Powershell here.

What you need: CSV file, with only one column, and the header of the column must be called “Name”, if you prefer to use something different, simply amend Name in line 6 to reflect your header.

So what the actual script does:

Line 3 = creates variable called $list and tells it to import a CSV file in C:\temp\names.csv path.

Line 5 = creates a loop which will go through all records in from the CSV file

Line 6 = We retrieve usernames, filtered by their Full Name (Name in AD object property) and tell it should search under Name header.

This is it, a few lines of code which will probably save you plenty of time in search of usernames :).

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