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Services Used by a Client Access Server

 

Applies to: Exchange Server 2010 SP3, Exchange Server 2010 SP2

This topic describes the services used by a computer running Microsoft Exchange Server 2010 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 used to access the Client Access server, some or all the following Exchange services may be required.

Enabling Services

To enable services used by a Client Access server, use the Services snap-in in the 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 doesn't 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. These services 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.

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