Applies to: Exchange Server 2013
Topic Last Modified: 2012-06-05
The content in this topic hasn't been updated for Microsoft Exchange Server 2013. While it hasn't been updated yet, it may still be applicable to Exchange 2013. If you still need help, check out the community resources below.
When you run Microsoft Exchange Server 2010 Setup /PrepareAD, the Microsoft Exchange Server Analyzer Tool queries the existing Active Directory topology to determine whether any Microsoft Exchange Server 2007 server roles exist. If Exchange 2007 server roles are not detected, you receive the following warning message:
Setup is going to prepare the organization for Exchange Server 2010 via 'Setup /PrepareAD' and no Exchange Server 2007 roles have been detected in this topology. After this operation, it will be impossible to install any Exchange Server 2007 roles.
Before deploying Exchange Server 2010, consider the following factors that may require you to deploy an Exchange 2007 server with all server roles installed prior to deploying Exchange 2007:
- Third-party or in-house developed
applications Applications developed for
Exchange 2003 may not be compatible with Exchange 2010, and thus
need to be upgraded or replaced. You can maintain these
applications and the associated user population on Exchange 2003;
move to Exchange 2007; or replace the software with a compatible
version for Exchange 2010.
- Coexistence or migration
requirements If you plan on migrating
mailboxes into your organization, you can either deploy Exchange
2007 and use the Microsoft Transporter Suite, or you can use a
third-party coexistence or migration solution. To download the
Microsoft Transporter Suite, go to Microsoft Transporter Suite at the Microsoft Download
In addition, when evaluating the options for your organization, make sure you have considered the following questions:
- Do you have a strategy in place to move the dependent
applications to Exchange 2010 before Exchange 2003 reaches end of
support? For more information, visit the Microsoft Support
Lifecycle Web page (http://go.microsoft.com/fwlink/?LinkID=55839).
- Does your strategy require WebDAV and Web Services coexistence
- Have you considered third-party products that support Exchange
or other Microsoft technologies that will allow you to meet your
coexistence or migration requirements?
- What is your hardware lifecycle approach (continue to use as
many existing 32-bit servers as possible versus buying new 64-bit
- What is your plan for migration (migrate all servers as fast as
possible versus migrating in a phased strategy)? Similarly, what is
your timeline for the coexistence of different versions of
If you decide that you need to deploy an Exchange 2007 server prior to deploying Exchange 2010, the deployment of a single Exchange 2007 with all server roles is sufficient to enable the deployment of future Exchange 2007 servers in the organization. To deploy the Exchange 2007 server into your Exchange 2003 organization, follow these steps:
- Run Exchange 2007 Setup /PrepareSchema.
- Run Exchange 2007 Setup /PrepareAD.
- Run Exchange 2007 Setup /PrepareDomain on all domains
that contain recipients, Exchange 2003 servers, or global catalogs
that could be used by an Exchange server.
- Install an Exchange 2007 server with all four server roles (Hub
Transport, Client Access, Mailbox, and Unified Messaging).