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Move Internet Mail Flow from Exchange 2003 to Exchange 2010

Exchange 2010
 

Applies to: Exchange Server 2010 SP3, Exchange Server 2010 SP2

Topic Last Modified: 2012-07-23

When you upgrade your organization from Microsoft Exchange Server 2003 to Exchange Server 2010, one of the steps you need to complete is moving the handling of Internet mail from your existing servers to Exchange 2010 servers. In Exchange 2010, the preferred method of handling Internet mail is by using Edge Transport servers subscribed to the Active Directory site where your Hub Transport servers reside. However, you can also configure Internet mail flow through a third-party SMTP host or directly through your Hub Transport servers. This topic provides instructions for both of these approaches to moving Internet mail flow from Exchange 2003 to Exchange 2010 servers:

Move Internet Mail Flow to Exchange 2010 Using Edge Transport Servers

Move Internet Mail Flow to Exchange 2010 without Edge Transport Servers

To learn more about upgrading from Exchange 2003 to Exchange 2010, see the following topics:

  • Exchange 2010 Client Access, Hub Transport, and Mailbox servers have been deployed into your existing Exchange organization.
  • Mail flow between your existing Exchange organization and Exchange 2010 deployment is functioning correctly.
  • Exchange 2010 Edge Transport servers have been deployed in your perimeter network (if you will be using Edge Transport servers for Internet mail).
  1. Subscribe the Edge Transport servers to your Exchange organization. This will enable Internet message flow through your Exchange 2010 Hub and Edge Transport servers.
    1. Create an Edge Subscription File on an Edge Transport Server
    2. Import an Edge Subscription File to an Active Directory Site
  2. Remove the SMTP connector in Exchange 2003 that is used to handle Internet mail. Your account needs to be a member of the local administrators group and a member of a group that has had the Exchange Administrators role applied at the administrative group level.
    1. In Exchange System Manager, expand the Organization node, expand Administrative Groups, expand <AdministrativeGroupName>, expand Routing Groups, expand <RoutingGroupName>, and then select Connector.
    2. In the right-hand pane, right-click the connector you want to delete and select Delete.
    3. Click OK to confirm the deletion.

For more information about Edge subscriptions, see Understanding Edge Subscriptions.

  1. Configure mail flow by using one of the methods listed below depending on the needs of your organization. This will enable Internet message flow through your Exchange 2010 Hub Transport servers.
  2. Remove the SMTP connector in Exchange 2003 that is used to handle Internet mail. Your account needs to be a member of the local administrators group and a member of a group that has had the Exchange Administrators role applied at the administrative group level.
    1. In Exchange System Manager, expand the Organization node, expand Administrative Groups, expand <AdministrativeGroupName>, expand Routing Groups, expand <RoutingGroupName>, and then select Connector.
    2. In the right-hand pane, right-click the connector you want to delete and select Delete.
    3. Click OK to confirm the deletion.
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