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How about the following approach instead of taking the groups separately and then checking for each user.<br />
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Get-ADUser -properties memberof | where {$_.memberof -notcontains &quot;*groupname*&quot;}
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How about the following approach instead of taking the groups separately and then checking for each user.

Get-ADUser -properties memberof | where {$_.memberof -notcontains "*groupname*"}

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I have a script that is running two commands, 1. get the AD Group and 2. List the users who are not in that AD group. &nbsp;This works fine. What I need to do is expand my AD Groups variable to hold multiple Groups and 2. List the users who do not fall in any of those AD Groups.<br />
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1. $groups = Get-ADGroup -Filter { Name -like &quot;*groupname*&quot;} &nbsp; &nbsp; &lt;-- that will hold multiple groups in the $groups variable.<br />
2. Get-ADUser -filter {memberof -notlike $groups} &nbsp;&lt;--This doesnt work as is, but the logic is to list the users that do not fall in any of those groups. <br />
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whats the correct way, efficient way of doing this? &nbsp;I have tons of groups setup in a specific naming convention where I can filter with a wildcard and pull all the groups I need. &nbsp;I just need to compare each user to see if they fall in any one of those groups. If they do not fall into any of the groups then list the user.
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I have a script that is running two commands, 1. get the AD Group and 2. List the users who are not in that AD group.  This works fine. What I need to do is expand my AD Groups variable to hold multiple Groups and 2. List the users who do not fall in any of those AD Groups.

1. $groups = Get-ADGroup -Filter { Name -like "*groupname*"}     <-- that will hold multiple groups in the $groups variable.
2. Get-ADUser -filter {memberof -notlike $groups}  <--This doesnt work as is, but the logic is to list the users that do not fall in any of those groups. 

whats the correct way, efficient way of doing this?  I have tons of groups setup in a specific naming convention where I can filter with a wildcard and pull all the groups I need.  I just need to compare each user to see if they fall in any one of those groups. If they do not fall into any of the groups then list the user.

AD Powershell query for Users and Groups

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.