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Add many users to many different groups in Active Directory using Powershell, reading from a tab-delimited file.

Posted on 2009-05-08
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I need to assign many users to many groups in Active Directory using a tab-delimited TXT file as the source. I would prefer to use Powershell as I am trying to learn it. Using Powershell v1.0 on Windows XP Sp2. An example of the file I would use is attached.

Much thanks!
Import-CSV.txt
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Question by:cnrlzen
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Chris Dent earned 2000 total points
ID: 24352520

Morning :)

Weekends are a bit quiet, and very few of us answer PowerShell questions hence the late reply.

I recommend grabbing the Quest PowerShell CmdLets from here:

http://www.quest.com/powershell/

They're free and will make this task a lot simpler. It is, of course, entirely possible to do this in native PowerShell, just longer.

One more note. You'll find that Comma Delimited formatting is easier to deal with than Tab Delimited. With Comma Delimited you can use Import-CSV and refer to each line by the name in the header.

Anyway, Examples...

These are rather verbose, unnecessarily so, but I figured demonstrating was more important than fitting it onto a line.

Chris
# Using Get-Content to read the text file
$FileContent = Get-Content "Test.txt"
 
# Removing the header line by getting elements 1 to end from the array
# Count uses 1 as the base, where an array uses 0; hence "Count - 1"
$FileContent = $FileContent[1..$($FileContent.Count - 1)]
 
# Looping through the Content
ForEach ($Line in $FileContent) {
  # Splitting the line into each element `t is Tab.
  $LineArray = $Line.Split("`t")
 
  # Getting the elements
  $UserDN = $LineArray[0]
  $GroupDN = $LineArray[1]
 
  # Using Add-QADGroupMember to add the member to the group
  Add-QADGroupMember $GroupDN -Member $UserDN -WhatIf
}
 
# If you had a CSV File as input you could do this in one line
# In the example below % is an alias for ForEach-Object
 
Import-CSV "Test.csv" | %{ Add-QADGroupMember $_.memberOf -Member $_.distinguishedName }

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by:cnrlzen
ID: 31579683
That's great - I used a reformatted CSV file and it worked well. How can I log any errors and the successes of each action to a log file so I know where failures might occur?
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