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March 2, 2016 at 9:43 am


I am trying to gether together a report to show data grouth. I am trying to use powershell to list the AD Users.
With this I would like to them work out the data grouth per user and per department.

Get-ADUser -filter * -properties department, whencreated, homedrive, homedirectory | ft Name, department, whencreated, homedrive, homedirectory

I would like to show the size of the users home drive.

Get-size homedirectory -sum /1mb

Please could someone help me put this together?



March 2, 2016 at 10:27 am

I am not sure if you already have a function called Get-Size, If so you can redirect your previous output in a txt or csv file and then use for-each loop to gather the size of each users home drive.

If you dont have that function ready using Get-ItemProperty would help you.

March 2, 2016 at 11:39 am

The only way to calculate the size of the home drive would be to add up the size of all the files in the home drive. You'd use Get-ChildItem (dir) to produce a list of files, and probably have it -recurse through subfolders, and then probably pipe that to Measure-Object, using the -sum option to generate the total size. It's going to be fairly time-consuming, and if this is on a file server could generate a certain amount of load. And you're not going to be able to do this in a straightforward one-liner. It'll be something like...

Get-ADUser -filter * -properties department, whencreated, homedrive, homedirectory |
ForEach-Object {
  $size = Dir $_.homedirectory -recurse | measure -sum
  $_ | Add-Member -MemberType NoteProperty -Name Size -Value $size.sum
} | Ft Name, department, whencreated, homedrive, home directory, size

That's probably not 100% going to work, but it's the basic gist. I'm adding a Size property to the user object, so that you can display that in your table.

Unless your "Get-Size" function is a real thing that's already doing this.

March 3, 2016 at 3:13 am

Hi when I run this I get this error:

A positional parameter cannot be found that accepts argument 'System.Object[]'.
At :line:5 char:6
+ } | FT <<<< Name, department, whencreated, homedrive, home directory, size

March 3, 2016 at 7:44 am

Oh, right – probably need to add -PassThru to the Add-Member command. Although as I was pointing out, that syntax IS PROBABLY NOT 100% CORRECT. It was intended to give you the gist of the logic you need, not to be a complete solution to your problem. I'm happy to answer questions about that logic, so you can troubleshoot the syntax effectively on your own.