Powershell - export 'member of' for a user

Posted on 2011-09-26
Last Modified: 2012-05-12

For backup purposes we need an export per user that contains the memberships for that user.

Say for example user "john doe" is in '' in the OU 'users'. Then I would need an export (text or csv, doesn't realy mather) that contains a line-per-line export of all groups that user is member of. (the 'member of' tab in the user properties window)

i would like to do this in powershell (no third party software) because it is part of a bigger script.

thank you!
Question by:ISUNI
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LVL 37

Accepted Solution

Neil Russell earned 500 total points
ID: 36597692
The easiest way is to install the Quest QAD Commandlets for powershell. This is just a set of commandlets that add on to powershells functionality. After all powershell is basically just an extensible shell.

For a single user use...

$user = Get-QADUser 'Poshoholic'
$user.memberOf | Get-QADGroup

And for ALL users use

$Users = Get-QADUser
foreach ($User in $Users)
Write-Host "------------------------"
$user.memberof | Get-QADGroup  
LVL 37

Expert Comment

by:Neil Russell
ID: 36597979
Sorry, forgot link to powershell extensions by Quest

Expert Comment

ID: 36600884
One additional note: the $User.MemberOf attribute does not contain the default group of the user.  You either need to include the $User.PrimaryGroupId - which is numeric, and equates to the RID of the group.  Digging that out gets complicated considering you can much more easily do...

Get-QADMemberOf 'Poshoholic'

Open in new window

...for a single user, and...

$Users = Get-QADUser
foreach ($User in $Users) {
    Write-Host "------------------------"
    Get-QADMemberOf $User 

Open in new window

Hope that helps!
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LVL 37

Expert Comment

by:Neil Russell
ID: 36601236
Do YOU actually change users Primary Group? I have not met a sys admin that does that in years! As the Default Default group is Domain Users and EVERY user is a member of it, I never report on it.

Expert Comment

ID: 36601261
Actually, I found this the "hard" way at a customer where they make a practice of setting the default group on service and admin accounts to something other than Domain Users for subsequent processing by Group Policy.

So... yes, I've seen it. In a domain of 18k+ accounts, it matters.

Author Closing Comment

ID: 36954114
Thank you! This helps.

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