Configuring Exchange 2016 Edge Transport Server


Once you have installed the Exchange 2016 Edge Transport Server. Next step is to configure your Edge Transport Server for Mail flow and other policies that you would like to implement to your Exchange organization. If you have not installed your Edge Transport Server yet, you can install the Exchange 2016 Edge Transport Server by following the steps mentioned here

Edge Transport Server Role is optional in Exchange 2016. It’s up to you to use Edge Transport Server Role for SMTP Mail flow or use 3rd party appliance from Barracuda, IronPort etc.

Configuring Exchange 2016 Edge Transport Server

Configuration of Exchange 2016 Edge Transport Server is based on Exchange Management Shell. Just Like Exchange 2013, Exchange 2016 Edge Transport Server do not have Graphical interface available.

Verify Edge Services

Before you start Edge Server configuration, test the edge transport server installation by running the Exchange Management Shell cmdlet Test-ServiceHealth Configuring Exchange 2016 Edge Transport Server  

  • Verify Transport Agents are enabled.


  • You can disable or change the priority of any transport agent that you want. To disable a transport agent, run the EMS cmdlet Disable-TransportAgent -Identity “Agent Name”

You need to restart MSExchangeTransport Service whenever you disable or enable Transport Agent.

  • Verify Edge Transport server components state


  • Verify default Receive Connector on Edge server

45 Once you have verified Edge Transport Server. Next step is to create Edge Subscription.

Edge Subscription

  • To create Edge Transport Subscription, run the following cmdlet


Carefully Read the message before you confirm. Once the edge subscription is created with Mailbox Servers then your edge server will be managed via EdgeSync replication.

  • Copy the XML file from Edge Transport Server to your mailbox Server.
  • Run the following cmdlet on your mailbox server

7 Carefully read the warning message and make sure you have a local DNS entry and Port 50636 opened on your local LAN for Edge and Mailbox server.

  • Start the edge sync service from Services.MSC

This cmdlet completes the edge subscription setup for your Exchange 2016. Next Step is to verify the Edge Server subscription.

Verify Edge Subscription

  • To verify the edge subscription, run the following cmdlets

8 9

Configure the Internal SMTP Servers if you want to bypass any of your server from Edge Sender ID and Connection Filtering agent.

For more information on Exchange 2016. Please look at following topics.

Install Exchange 2016 Edge Transport server


Edge Transport servers minimize the attack to your exchange organization by handling all Internet-facing mail flow. Edge Transport Server can be used to provide SMTP relay and smart host services for Exchange organization. Edge Transport role performs anti-spam filtering and applies security and email policies to messages in transport. Always Install Exchange 2016 Edge Transport server in the perimeter network and outside of the Active Directory forest.

Renaming a server after Edge Transport Role installation isn’t supported.

Install Exchange 2016 Edge Transport Server

Before we install Exchange 2016 edge Transport Server role make sure that the following pre-requisties are met for edge transport server.

Edge Transport Network Requirement

  • You have allowed port 25 traffic from Internet to your Edge Transport Server.
  • You have configured the Network ports between Edge Transport Server and Exchange 2016 Server. Network ports required for Edge Transport server to communicate with Exchange 2016 are as below.
    • Port 25 and 2525 for SMTP Mail flow
    • Port 53 for DNS Resolution
    • Port 3389 for Remote Desktop
    • Port 50389 for LDAP needs to be opened locally for LDAP binding
    • Port 50636 for Secure LDAP to provide directory synchronization from Mailbox servers to AD LDS

Edge Transport Installation

Follow the steps to install the edge transport server.

  • Login to Edge Transport Server as local Administrator
  • Set the Edge Server DNS Prefix by Navigating to My Computer –> Properties –> Click on Change under computer name, domain, workstation settings –> Under Computer Name, click on Change –> More –> and set the DNS Prefix. In my case it’s This process requires you to restart your computer

Install Exchange 2016 Edge Transport server

Install Exchange 2016 Edge Transport server

  • Configure NIC to set the DNS server to point to your local DNS server.

Edge Server Installation

  • Install AD LDS on Edge Transport Server Role by running the windows powershell cmdlet “Install-WindowsFeature ADLDS”



  • Install .Net Framework 4.5.2. If you’re using Windows Server 2012R2 then it’s already been installed.
  • Create “A” record in your DNS that point to Edge Transport Server.


  • Run the Exchange 2016 Setup as Administrator. I always recommend to Check for Updates. If you don’t want to check select “Don’t Check for updates right now” and click next



  • Setup will start the process of copying Exchange files for installation.


  • Once the copy process is completed, Setup will start the initial setup preparation.



  • Once the initialization is completed. Exchange Setup will start, Click on Next to continue.





  • Read and accept the license agreement and click Next



  • Use Recommended Settings for Exchange to automatically check online for solutions when encountering errors and provide feedback to Microsoft and click Next.



  • Select Edge Transport Server Role and “Automatically Install Windows Server Roles and Feature that are required to install Exchange Server” check box and click Next



Edge Transport Server role cannot coexist with Mailbox Server Role.

  • Select the installation path, In my case i’m installing it in C Drive as it’s my test lab.



  • Once the “Readiness Checks” are completed, Click on Install




  • Exchange 2016 Edge Server Installation process will start. Wait for the 9 step installation to be completed before you can configure your Exchange 2016 Edge Transport Server.


  • Once the Edge Server installation is completed, click on Finish to complete the process.



Once the Edge Transport Server role Installation is completed, the next steps are to configure the Edge Server for Exchange 2016 Mail Flow and set the policies.

For more information on Exchange 2016. Please look at following topics.