Custom installation deployment for Exchange 2010

Microsoft Exchange Server 2010 can be installed using the custom installation type. By customizing the installation, you can select a specific server role to install. Custom installation is different from the typical installation type for Exchange 2010, and in a typical installation, Hub Transport, client access, mailbox server roles, and Exchange management tools are installed by default. For detailed steps about how to perform an installation of Exchange 2010 using the typical installation type, see Installing Exchange Server 2010.

After you complete your Exchange 2010 Custom installation, note the following points:

Multiple OAB download requests may also exist after you install the first Exchange 2010 server in your organization, if you create a recipient object (for example, a mailbox, contact, distribution list, mailbox agent, or mail-enabled public folder), it will have the Exchange 2010 The LegacyExchangeDN for the new administrative group for the server. Because this legacyexchangedn,microsoft Outlook will download a full Offline Address Book (OAB) from the Outlook server for each user requesting Exchange 2010 and using OAB version 2 or 3 to log on to the mailbox for this Organization 。 This can cause many OAB download requests to occur at the same time, resulting in higher network usage.

The UM server role requires that the system be restarted and the Microsoft Exchange Unified Messaging Service retains the required TCP port after the system installation of the Unified Messaging (UM) server role is restarted.

Prerequisite

Before you begin installing Exchange 2010, make sure that the required prerequisites are installed on the server. Before you begin installing Exchange 2010, you must ensure that the appropriate software and operating system prerequisites are installed on the server. To install prerequisites for all server roles, see Exchange 2010 Prerequisites. For more information about system requirements, see Exchange 2010 system requirements.

In order for e-mail to flow correctly, you must install both the Mailbox server role and the Hub Transport server role on the same Active Directory site.

You can install the Mailbox server role, the Hub Transport server role, the Client Access server role, and the Unified Messaging server role on the same computer or on different computers. The Edge Transport server role must always be installed on a dedicated hardware that cannot coexist with other server roles.

Warning:

After you install Exchange 2010 on the server, you must not change the server name. Renaming a server after the Exchange 2010 server role is installed is not supported.

Perform an Exchange 2010 custom installation

If you have not prepared an Active Directory schema in advance, you must delegate the membership of the schema Admins group to the account that you use to perform the following steps.

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

If you are ready for the schema but do not install the first Exchange 2010 server in your organization, you must delegate the organization administration role to the account that you use.

Attention:

For information about preparing Active Directory for Exchange 2010, see Preparing Active Directory and domains. For more information about permissions in Exchange 2010, see Understanding role-based access control.

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