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Applies to: Exchange Online, Exchange Server 2016

This cmdlet is available in on-premises Exchange Server 2016 and in the cloud-based service. Some parameters and settings may be exclusive to one environment or the other.

Use the New-UMHuntGroup cmdlet to create a Unified Messaging (UM) hunt group used to link incoming calls to a specific UM dial plan.

For information about the parameter sets in the Syntax section below, see Syntax.

New-UMHuntGroup -Name <String> -UMDialPlan <UMDialPlanIdParameter> -UMIPGateway <UMIPGatewayIdParameter> [-Confirm [<SwitchParameter>]] [-DomainController <Fqdn>] [-PilotIdentifier <String>] [-WhatIf [<SwitchParameter>]]

This example creates the UM hunt group MyUMHuntGroup that has a pilot identifier of 12345.

New-UMHuntGroup -Name MyUMHuntGroup -PilotIdentifier 12345 -UMDialPlan MyUMDialPlan -UMIPGateway MyUMIPGateway

This example creates the UM hunt group MyUMHuntGroup that has multiple pilot identifiers.

New-UMHuntGroup -Name MyUMHuntGroup -PilotIdentifier 5551234,55555 -UMDialPlan MyUMDialPlan -UMIPGateway MyUMIPGateway

The New-UMHuntGroup cmdlet creates a UM hunt group in Active Directory. Running this cmdlet enables all Mailbox servers associated with UM dial plans to communicate with an IP gateway. A UM hunt group must be created to allow communication between a UM IP gateway and a UM dial plan.

After this task is completed, a new UM hunt group is created.

You need to be assigned permissions before you can run this cmdlet. Although all parameters for this cmdlet are listed in this topic, you may not have access to some parameters if they're not included in the permissions assigned to you. To see what permissions you need, see the "UM hunt groups" entry in the Unified Messaging permissions topic.


Parameter Required Type Description




The Name parameter specifies the UM hunt group name used for display purposes. This string can contain as many as 64 characters, and it must be unique.




The UMDialPlan parameter specifies the UM dial plan used with the UM hunt group.




The UMIPGateway parameter specifies the UM IP gateway to be associated with the UM hunt group.




The Confirm switch specifies whether to show or hide the confirmation prompt. How this switch affects the cmdlet depends on if the cmdlet requires confirmation before proceeding.

  • Destructive cmdlets (for example, Remove-* cmdlets) have a built-in pause that forces you to acknowledge the command before proceeding. For these cmdlets, you can skip the confirmation prompt by using this exact syntax: -Confirm:$false.

  • Most other cmdlets (for example, New-* and Set-* cmdlets) don't have a built-in pause. For these cmdlets, specifying the Confirm switch without a value introduces a pause that forces you acknowledge the command before proceeding.




This parameter is available only in on-premises Exchange 2016.

The DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory. You identify the domain controller by its fully qualified domain name (FQDN). For example, dc01.contoso.com.




The PilotIdentifier parameter specifies the number string used to uniquely identify the pilot access number for the specified IP gateway. This number must match the subscriber access number configured in the UM dial plan.




The WhatIf switch simulates the actions of the command. You can use this switch to view the changes that would occur without actually applying those changes. You don't need to specify a value with this switch.




This parameter is reserved for internal Microsoft use.

To see the input types that this cmdlet accepts, see Cmdlet Input and Output Types. If the Input Type field for a cmdlet is blank, the cmdlet doesn’t accept input data.

To see the return types, which are also known as output types, that this cmdlet accepts, see Cmdlet Input and Output Types. If the Output Type field is blank, the cmdlet doesn’t return data.

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