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Services Used by a Client Access Server

 

Applies to: Exchange Server 2007 SP3, Exchange Server 2007 SP2, Exchange Server 2007 SP1, Exchange Server 2007

Topic Last Modified: 2008-07-21

This topic describes the services that are used by a Microsoft Exchange Server 2007 computer that has the Client Access server role installed. Depending on the protocols that are made available on the Client Access server and the Client Access method or methods that are used to access the Client Access server, some or all the following Exchange services may be required.

To enable services that are used by a Client Access server, use the Services snap-in in Microsoft Management Console (MMC). The following table shows the Exchange services that may be required.

Services that may be required by a Client Access server

Service name Display name Comments

W3SVC

World Wide Web Publishing Service

This service is required and must be started.

MSExchangeADTopology

Microsoft Exchange Active Directory Topology Service

This service provides Active Directory topology information to several Exchange Server components. This service does not have any dependencies.

POP3Svc

Microsoft Exchange POP3

By default, this service is stopped. For clients to use POP3 to connect to Microsoft Exchange, this service must be started. This service depends on the Microsoft Exchange Active Directory Topology service.

IMAP4Svc

Microsoft Exchange IMAP4

By default, this service is stopped. For clients to use IMAP4 to connect to Microsoft Exchange, this service must be started. This service depends on the Microsoft Exchange Active Directory Topology service.

IISAdmin

Internet Information Services Admin Service

This service manages the Internet Information Services (IIS) metabase and provides support for the World Wide Web Publishing Service (W3SVC) service, the POP3 service, and the IMAP4 service, which are required by the Client Access server. IIS Admin also supports other applications, such as the metabase update service, which is an internal component of the system attendant.

MSExchangeServiceHost

Microsoft Exchange Service Host

This service configures the RPC virtual directory in IIS and registry data for Outlook Anywhere. This service depends on the Microsoft Exchange Active Directory Topology service.

MSExchangeFDS

Microsoft Exchange File Distribution Service

This service is used to distribute offline address book and custom Unified Messaging prompts. This service depends on the Microsoft Exchange Active Directory Topology service and the Workstation service.

For more information about the services that are required by Exchange 2007, see Services Installed by Exchange Setup.

To ensure that you are reading the most up-to-date information and to find additional Exchange Server 2007 documentation, visit the Exchange Server TechCenter.
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