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Perform a Custom Exchange 2010 Installation

Applies to: Exchange Server 2010

Topic Last Modified: 2011-03-19

This topic provides the procedure for performing a custom installation of Microsoft Exchange Server 2010. A custom installation enables you to select which server role or roles are you want installed.

Custom installation differs from a typical Exchange 2010 installation in which the Hub Transport, Client Access, and Mailbox server roles plus the Exchange Management Tools are installed by default. For detailed steps to perform a typical installation of Exchange 2010, see Install Exchange Server 2010.

After you've completed a custom installation of Exchange 2010, be aware of the following important points:

  • Potential for simultaneous OAB download requests   After you install the first Exchange 2010 server in an organization, if you create a new recipient object (such as a mailbox, contact, distribution list, mailbox agent, or mail-enabled public folder), it will have a LegacyExchangeDN that corresponds to the new administrative group for the Exchange 2010 server. Because of this LegacyExchangeDN, Microsoft Office Outlook will request a full offline address book (OAB) download from the Exchange 2010 server for each user in this organization that logs on to a mailbox using Outlook and using OAB versions 2 or 3. This could result in many simultaneous OAB download requests, which causes high network utilization.
  • System restart required with the UM server role   After installing the Unified Messaging (UM) server role, you must restart the system to allow the Microsoft Exchange Unified Messaging service to reserve the required TCP ports.
  • Before you can install Exchange 2010, make sure that the server has the necessary prerequisites installed. You must ensure that the appropriate software and operating system prerequisites are installed on the server before you begin your Exchange 2010 installation. To install the prerequisites for all server roles, see Exchange 2010 Prerequisites. For more information about system requirements, see Exchange 2010 System Requirements.
  • For e-mail messages to flow correctly, you must install both the Mailbox server role and the Hub Transport server role in the same Active Directory site.
  • You can install the Mailbox server role, Hub Transport server role, Client Access server role, and Unified Messaging server role on the same computer or on separate computers. The Edge Transport server role must always be installed on dedicated hardware; it can't co-exist with other server roles.

To perform the following procedure, the account you use must be delegated membership in the Schema Admins group if you haven't previously prepared the Active Directory schema.

If you're installing the first Exchange 2010 server in the organization, the account you use must have membership in the Enterprise Admins group.

If you've already prepared the schema and are not installing the first Exchange 2010 server in the organization, the account you use must be delegated the Organization Management management role.

Bb125143.note(en-us,EXCHG.140).gifNote:
For information about preparing Active Directory for Exchange 2010, see Prepare Active Directory and Domains. For information about permissions in Exchange 2010, see Understanding Role Based Access Control.
  1. Log on to the server on which you want to install Exchange 2010.
    Bb125143.important(en-us,EXCHG.140).gifImportant:
    Be sure that you've completed the prerequisite tasks discussed both in this topic and the Exchange 2010 Prerequisites topic before you install Exchange 2010.
  2. Insert the Exchange 2010 DVD into the DVD drive (or browse to your install location). If Setup.exe doesn't start automatically, navigate to the DVD drive and double-click Setup.exe.
  3. On the Start page, ensure that you've completed Steps 1 and 2. If you haven't already installed these components, Setup will provide you with links to Microsoft Web sites where you can download the necessary prerequisites. For more information about Windows PowerShell installation, see Install Windows Management Framework.
    Bb125143.important(en-us,EXCHG.140).gifImportant:
    If you're installing Exchange 2010 on Windows Server 2008 R2, don't use the downloadable .NET Framework package. Instead, use Server Manager in Windows Server 2008 R2 or run ServerManagerCmd -i NET-Framework.
  4. On the Start page, click Step 3: Choose Exchange language option. The language options will appear below Step 3. Choose either:
    1. Install all languages from the language bundle   If you choose this option, all supported languages in the bundle are installed. Setup can download the necessary language bundles automatically, or you can browse to the location (hard drive or a network share) of previously downloaded language bundles and install those.
    2. Install only languages from the DVD   If you choose this option, only English (U.S.) language support is installed. Language bundles can be installed at a later time to provide support for additional languages if needed.
  5. After the language(s) installation is complete, on the Start page, click Step 4: Install Microsoft Exchange. Setup copies the setup files locally to the computer on which you are installing Exchange 2010.
  6. In the Exchange Server 2010 Setup wizard, on the Introduction page, click Next.
  7. On the License Agreement page, read the entire license agreement, select I accept the terms in the license agreement, and then click Next.
  8. On the Error Reporting page, select Yes, and then click Next.
  9. On the Installation Type page, click Custom Exchange Server Installation. If you want to change the path for the Exchange 2010 installation, click Browse, locate the appropriate folder in the folder tree, and then click OK. Click Next.
    Installation Type page
    Custom Installation type page
  10. On the Server Role Selection page, select the server roles that you want to install on the computer and click Next.
    Bb125143.note(en-us,EXCHG.140).gifNote:
    The Edge Transport server role can't coexist on the same computer with any other server role. You must deploy the Edge Transport server role in a perimeter network and outside your internal Active Directory forest.
  11. If you selected Mailbox Role, Client Access Role, Hub Transport Role, and/or Unified Messaging Role, and if this is the first Exchange 2010 server in your organization, on the Exchange Organization page, type a name for your Exchange 2010 organization. The Exchange organization name can contain only the following characters:
    • A through Z
    • a through z
    • 0 through 9
    • Space (not leading or trailing)
    • Hyphen or dash
      Bb125143.note(en-us,EXCHG.140).gifNote:
      The organization name can't contain more than 64 characters. The organization name can't be blank. If the organization name contains spaces, you must enclose it in quotation marks.
  12. If this is the first Exchange 2010 server in your organization, on the Client Settings page, click the appropriate option based on the client computers.
    Bb125143.note(en-us,EXCHG.140).gifNote:
    If you have client computers that are running Microsoft Office Outlook 2003 or Microsoft Entourage, select Yes, and Exchange 2010 will create a public folder database on the Mailbox server. If all your client computers are running Outlook 2007 or later, public folders are optional in Exchange 2010. If you select No, Exchange 2010 will not create a public folder database on the Mailbox server. You can add a public folder database later, if needed.
  13. If you're installing the Client Access server role, Setup will ask if the Client Access role will be Internet-facing. If the Client Access role being installed is intended as an Internet-facing server, enter the domain name you will use for external client access on the Configure Client Access server external domain page, check the box that says The Client Access server role will be Internet-facing, and enter the URL your clients will use (for example, mail.contoso.com).
  14. On the Customer Experience Improvement Program page, choose the appropriate selection for your organization, and then click Next.
  15. On the Readiness Checks page, view the status to determine if the organization and server role prerequisite checks completed successfully. If they haven't completed successfully, you must resolve any reported errors before you can install Exchange 2010. You don't need to exit Setup when resolving some of the prerequisite errors. After resolving a reported error, click Retry to re-run the prerequisite check. Be sure to also review any warnings that are reported. If all readiness checks have completed successfully, click Install to install Exchange 2010.
  16. On the Completion page, click Finish.
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