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Dynamic groups are created on-the-fly and the membership is evaluated according to the criteria set. If your dynamic group is set to contain all users, then by definition you can't remove a user from it.<br />
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Normally dynamic groups ae set to evaluate membership according to a specified field (such as all those iin a particular department). You will need to update the user accounts with appropriate information and define the query appropriately<br />
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There is a similar question here <a href="https://www.experts-exchange.com/questions/23055391/Dynamic-Distribution-Group-Exception.html" rel="ugc">https://www.experts-exchange.com/questions/23055391/Dynamic-Distribution-Group-Exception.html</a>
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Dynamic groups are created on-the-fly and the membership is evaluated according to the criteria set. If your dynamic group is set to contain all users, then by definition you can't remove a user from it.

Normally dynamic groups ae set to evaluate membership according to a specified field (such as all those iin a particular department). You will need to update the user accounts with appropriate information and define the query appropriately

There is a similar question here https://www.experts-exchange.com/questions/23055391/Dynamic-Distribution-Group-Exception.html [https://www.experts-exchange.com/questions/23055391/Dynamic-Distribution-Group-Exception.html]

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Short answer - make it so the list logic does not include them
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Short answer - make it so the list logic does not include them

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Do you need more info on this, if there is anything unclear then make a comment.
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Do you need more info on this, if there is anything unclear then make a comment.

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I am using Exchange &nbsp;2007, and I have a Dynamic Distribution Group that includes all AD users in my organization; my question is how do I remove particular user from this group? 
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I am using Exchange  2007, and I have a Dynamic Distribution Group that includes all AD users in my organization; my question is how do I remove particular user from this group? 

How to remove a user from a dynamic distribution group

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

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.