Services Used by a Client Access Server
Microsoft Exchange Server 2007 will reach end of support on April 11, 2017. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.
Applies to: Exchange Server 2007, Exchange Server 2007 SP1, Exchange Server 2007 SP2, Exchange Server 2007 SP3
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.
Enabling Services
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
For more information about the services that are required by Exchange 2007, see Services Installed by Exchange Setup.