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Find OU with most computers in Active Directory

Posted on 2009-03-30
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Last Modified: 2012-05-06
Is there an easy way to find out which OU in Active Directory contains the most computers?

What about just a report of some kind to show the # of computers based on the container they're in, instead of a just a long list of all computers in Active Directory?

Using Windows XP and active directory is on windows 2003 server
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Question by:garryshape
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Expert Comment

by:Mike Kline
ID: 24019518
I use a tool called adfind to get the counts
http://www.joeware.net/freetools/tools/adfind/index.htm
So for the domain for instance
adfind -b dc=yourdomain,dc=com -f "objectcategory=computer" -c
I'm not sure if it can go and count per OU but I'll test and if I find a way using adfind I'll let you know
Thanks
Mike
 
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Chris Dent earned 500 total points
ID: 24019588

PowerShell can though with a small amount of code.

You'd need this;

http://www.microsoft.com/windowsserver2003/technologies/management/powershell/default.mspx

And this:

http://www.quest.com/activeroles-server/arms.aspx

To be able to run the little script below (it'll just paste into the Quest PowerShell window).

Chris
Get-QADObject -Type OrganizationalUnit | %{
  $ComputerCount = (Get-QADObject -SearchRoot $_.DN -Type Computer -Scope OneLevel).Count
  If ($ComputerCount) { $_ | Select-Object DN, @{n='ComputerCount';e={ $ComputerCount }} } }

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by:Chris Dent
ID: 24019613

The second "GetQAD-Object" should have been substituted with Get-QADComputer as below. Although it really doesn't make much difference.

Chris
Get-QADObject -Type OrganizationalUnit | %{
  $ComputerCount = (Get-QADComputer -SearchRoot $_.DN -Scope OneLevel).Count
  If ($ComputerCount) { $_ | Select-Object DN, @{n='ComputerCount';e={ $ComputerCount }} } }

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Expert Comment

by:Mike Kline
ID: 24019634
I had a feeling powershell could do it
Ok going to see Brandon speak in April. I'm going to get the powershell bug :)
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Expert Comment

by:Chris Dent
ID: 24019647

Sounds like fun, I hope you get a lot out of it :)

Chris
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Author Closing Comment

by:garryshape
ID: 31564329
Thanks it works great
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