Install Exchange 2010 Using the Custom Installation Type
Applies to: Exchange Server 2010 SP3, Exchange Server 2010 SP2
You can install Microsoft Exchange Server 2010 using the Custom installation type. A custom installation enables you to select which specific server role or roles you want installed. Custom installation differs from the Exchange 2010 Typical installation type in which the Hub Transport, Client Access, and Mailbox server roles plus the Exchange management tools are installed by default. For detailed steps about how to perform an installation of Exchange 2010 with the Typical installation type, 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 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 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 coexist with other server roles.
After you install Exchange 2010 on a server, you must not change the server name. Renaming a server after you have installed an Exchange 2010 server role is not supported.
Perform a custom installation of Exchange 2010
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 aren't installing the first Exchange 2010 server in the organization, the account you use must be delegated the Organization Management management role.
For information about preparing Active Directory for Exchange 2010, see Prepare Active Directory and Domains. For more information about permissions in Exchange 2010, see Understanding Role Based Access Control.
Log on to the server on which you want to install Exchange 2010.
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.
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.
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.
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.
On the Start page, click Step 3: Choose Exchange language option. The language options will appear below Step 3. Choose either:
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.
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.
After the language 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're installing Exchange 2010.
In the Exchange Server 2010 Setup wizard, on the Introduction page, click Next.
On the License Agreement page, review the software license terms. If you agree to the terms, select I accept the terms in the license agreement, and then click Next.
On the Error Reporting page, select Yes, and then click Next.
On the Installation Type page, click Custom Exchange Server Installation. For Exchange Server 2010 Service Pack 1 (SP1), you can select to automatically install all required Windows roles and features for this server. 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
On the Server Role Selection page, select the server roles that you want to install on the computer and click Next.
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.
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
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.
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.
On the Client Settings page, if you have client computers running Office Outlook 2003 or earlier and you select Yes, Exchange 2010 will create a public folder database on the Mailbox server. If all your client computers are running Outlook 2010, public folders are optional in Exchange 2010. If you select No, Exchange 2010 won't create a public folder database on the Mailbox server. You can add a public folder database later. For example, if you add client computers running Outlook 2003 and you need a public folder database, you can create one on the Exchange 2010 Mailbox server. You must then configure the OAB for public folder distribution, and then restart the Microsoft Exchange Information Store service before client computers running Outlook 2003 and earlier will be able to connect to the server.
On the Configure Client Access Server external domain page, enter a domain name to use to configure your Client Access servers.
If the Client Access server won't be Internet-facing, you can click Next without configuring a domain name. For more information about configuring Client Access servers, see Managing External Client Access. Click Next.
On the Customer Experience Improvement Program page, choose the appropriate selection for your organization, and then click Next.
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 rerun 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.
On the Completion page, click Finish.
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