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Applies to: Exchange Server 2016

This cmdlet is available only in on-premises Exchange Server 2016.

Use the Uninstall-TransportAgent cmdlet to unregister a transport agent from the Transport service on a Mailbox server, the Front End Transport service on a Client Access server, or from an Edge Transport server.

Uninstall-TransportAgent -Identity <TransportAgentObjectId> [-Confirm [<SwitchParameter>]] [-DomainController <Fqdn>] [-TransportService <Hub | Edge | FrontEnd | MailboxSubmission | MailboxDelivery>] [-WhatIf [<SwitchParameter>]]

This example uninstalls a fictitious application named Test App from the Transport service on a Mailbox server.

Uninstall-TransportAgent "Test App" -TransportService Hub

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 "Transport agents" entry in the Mail flow permissions topic.


Parameter Required Type Description




The Identity parameter specifies the display name of the transport agent to be uninstalled. The length of the name can't exceed 64 characters.




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.




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 DomainController parameter isn't supported on Edge Transport servers. An Edge Transport server uses the local instance of Active Directory Lightweight Directory Services (AD LDS) to read and write data.




The TransportService parameter specifies the transport service that you want to view or modify. Valid values for this parameter are:

  • Hub for the Transport service on Mailbox servers.

  • MailboxSubmission for the Mailbox Transport Submission service on Mailbox servers.

  • MailboxDelivery for the Mailbox Transport Delivery service on Mailbox servers.

  • FrontEnd for the Front End Transport service on Mailbox servers.

  • Edge on Edge Transport servers.




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.

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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