<div>
Hello, Justin Thank you for your question! If you're using a CSV, then you don't need to use Get-Content you use Import-CSV instead, and you're trying to save that execution into a var that doesn't provide anything :) this would be my correction: single liner:<pre><code class="code-1 nolinks" id="code-20-43333686-1">Import-csv "C:\Users\Desktop\FILE.CSV" | %{
&nbsp;&nbsp;&nbsp;Add-ADGroupMember -Identity "GroupName" -Members $_.'User-Name'
}
</code></pre>&nbsp;CSV &nbsp;for this one must contain the field: "user-name" like this: <pre><code class="code-1 nolinks" id="code-20-43333686-2">User-Name,Name,LastName
<a href="mailto:jortega@test.com,Name,LastName" rel="ugc">jortega@test.com,Jose,Ortega</a>
</code></pre>Multiple Lines <pre><code class="code-1 nolinks" id="code-20-43333686-3">$users = Import-csv "C:\Users\Desktop\FILE.CSV"
$groupName= "This is the name of the Group"
foreach($user in $users){
&nbsp;&nbsp;&nbsp;Add-ADGroupMember -Identity $groupName -Members $_.'User-Name'
}
</code></pre> This multiline version also uses the same CSV. no other changes are required. Multiline in case the users &nbsp;already exist but you do want to continue :) Multiple Lines <pre><code class="code-10 nolinks" id="code-20-43333686-4">$users = Import-csv "C:\Users\Desktop\FILE.CSV"
$groupName= "This is the name of the Group"
foreach($user in $users){
&nbsp;&nbsp;&nbsp;try{
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Add-ADGroupMember -Identity $groupName -Members $_.'User-Name' -ea stop
&nbsp;&nbsp;&nbsp;}
&nbsp;&nbsp;&nbsp;catch{
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;write-host -foregroundcolor yellow "There was an error trying to add $($_.'User-Name') into the group $GroupName with the error $($_.Exception.Message)"
&nbsp;&nbsp;&nbsp;}
}
</code></pre> 
</div>

<div>
Hey Jose, Thanks for your help, it didn't work I adjusted the csv file to state 'User-Name' like you suggested however, I'm still running into the Cannot Validate argument on parameter 'Members' message.&nbsp; Any thoughts?
</div>

Justin Tucker

<div>
HI Jose! Thanks that worked perfectly! Thanks for your help!
</div>

<div>
<div class="content wysiwyg-content fr-view">
<div><div class="content wysiwyg-content fr-view">Good Day, Looking to get a bulk csv list of SamAccountName's added to a AD group was wondering if any one had any suggestions. &nbsp; Currently using this script:<pre><code class="code-1 nolinks" id="code-10-29223567-1">Import-Module ActiveDirectory
$Users = Get-Content "C:\Users\******\Desktop\*******" | ForEach-Object {Add-ADGroupMember -Identity "GroupName" -Members $_.'User-Name'}
</code></pre> Getting error message "Add-ADGroupMember: Cannot validate argument on parameter 'Members'. The argument is Null or empty. Can anyone assist with this?</div></div>
</div>
</div>


Good Day,
Looking to get a bulk csv list of SamAccountName's added to a AD group was wondering if any one had any suggestions.  
Currently using this script:
Import-Module ActiveDirectory
$Users = Get-Content "C:\Users\******\Desktop\*******" | ForEach-Object {Add-ADGroupMember -Identity "GroupName" -Members $_.'User-Name'}
Getting error message "Add-ADGroupMember: Cannot validate argument on parameter 'Members'. The argument is Null or empty.
Can anyone assist with this?

Powershell issue with Bulk adding users from csv.

Windows PowerShell is a task automation and configuration management framework from Microsoft, consisting of a command-line shell and associated scripting language built on the .NET Framework. PowerShell provides full access to the Component Object Model (COM) and Windows Management Instrumentation (WMI), enabling administrators to perform administrative tasks on both local and remote Windows systems as well as WS-Management and Common Information Model (CIM) enabling management of remote Linux systems and network devices.

Powershell

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.