Manage Multiple Owners and Company Filters in Exchange Dynamic Distribution Groups
Question details
The user needs to assign multiple owners and filter recipients by multiple company values when configuring a Dynamic Distribution Group in Exchange Online.

- Product
- Microsoft Exchange Online
- Device & OS
- not provided
- Scenario
- Configuring advanced recipient filters and administrative ownership for a Dynamic Distribution Group.
- Observed behavior
- Setting multiple owners or multi-company recipient filters cannot always be fully managed via the standard GUI and requires specific PowerShell commands using OR conditions.
Ensure you have the Exchange Online PowerShell module installed and that your Microsoft 365 administrator account is assigned the appropriate Exchange Management roles.
Use PowerShell to Configure Owners and Filters
Utilize Exchange Online PowerShell commands to manually set multiple owners and specify a recipient filter with multiple company values.
While the Exchange Admin Center provides basic group management, PowerShell is required to define explicit, multi-value recipient filters and quickly assign multiple owners.
Open PowerShell on your machine and connect to Exchange Online using the command: Connect-ExchangeOnline.
To add multiple owners to the group, run the following command, replacing the placeholders with your actual group name and user aliases: Set-DistributionGroup -Identity "DDGName" -ManagedBy user1,user2
To create or modify the group with multiple company values, use the -RecipientFilter parameter with OR conditions. For example: New-DynamicDistributionGroup -Name "DDGName" -RecipientFilter {Company -eq "Company1" -or Company -eq "Company2" -or Company -eq "Company3"}

Contact Microsoft 365 Administrator Support
If PowerShell configurations fail or you lack the necessary permissions, escalate the issue through your Microsoft 365 admin center.
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Frequently Asked Questions
Can I set multiple owners for a Dynamic Distribution Group in the Exchange Admin Center (EAC)?
While the EAC allows for basic management of distribution groups, assigning multiple owners or defining complex multi-value filters often requires Exchange Online PowerShell for precise and successful configuration.
What happens if I make a syntax error in the RecipientFilter?
PowerShell will return a syntax error, and the Dynamic Distribution Group will not be created or updated. Ensure your parameters, such as {Company -eq "Company1" -or Company -eq "Company2"}, use the correct operators and brackets.
Do I need special permissions to run these PowerShell commands?
Yes, you must be assigned the Organization Management or Recipient Management administrative roles in Exchange Online to create or modify Dynamic Distribution Groups.
How can I verify the members of my new Dynamic Distribution Group?
You can use the Get-DynamicDistributionGroup cmdlet combined with Get-Recipient in PowerShell to generate a preview list of users who match your newly configured filter criteria.




