Service
name
|
Service
short name
|
Security
context
|
Description
and dependencies
|
Default
startup type
|
Server
roles
|
Required
(R) or optional (O)
|
Microsoft Exchange Active
Directory Topology
|
MSExchangeADTopology
|
Local System
|
Provides Active Directory topology
information to Exchange services. If this service is stopped, most Exchange
services are unable to start. This service has no dependencies.
|
Automatic
|
Mailbox, Hub Transport, Client
Access, Unified Messaging
|
R
|
Microsoft Exchange ADAM
|
ADAM_MSExchange
|
Network Service
|
Stores configuration data and
recipient data on the Edge Transport server. This service represents the
named instance of Active Directory Lightweight Directory Service (AD LDS)
that's automatically created by Setup during Edge Transport server installation.
This service is dependent upon the COM+ Event System service.
|
Automatic
|
Edge Transport
|
R
|
Microsoft Exchange Address Book
|
MSExchangeAB
|
Local System
|
Manages client address book
connections. This service is dependent upon the Microsoft Exchange Active
Directory Topology service.
|
Automatic
|
Client Access
|
R
|
Microsoft Exchange Anti-spam
Update
|
MSExchangeAntispamUpdate
|
Local System
|
Provides the Microsoft Forefront
Protection 2010 for Exchange Server anti-spam update service. On Hub
Transport servers, this service is dependent upon the Microsoft
Exchange Active Directory Topology service. On Edge Transport servers,
this service is dependent upon the Microsoft Exchange ADAM service.
|
Automatic
|
Hub Transport, Edge Transport
|
O
|
Microsoft Exchange Credential
Service
|
MSExchangeEdgeCredential
|
Local System
|
Monitors credential changes in AD
LDS and installs the changes on the Edge Transport server. This service is
dependent upon the Microsoft Exchange ADAM service.
|
Automatic
|
Edge Transport
|
R
|
Microsoft Exchange EdgeSync
|
MSExchangeEdgeSync
|
Local System
|
Connects to an AD LDS instance on
subscribed Edge Transport servers over a secure LDAP channel to synchronize
data between a Hub Transport server and an Edge Transport server. This
service is dependent upon the Microsoft Exchange Active Directory Topology
service. If Edge Subscription isn't configured, this service can be disabled.
|
Automatic
|
Hub Transport
|
O
|
Microsoft Exchange File
Distribution
|
MSExchangeFDS
|
Local System
|
Distributes offline address book
(OAB) and custom Unified Messaging prompts. This service is dependent upon
the Microsoft Exchange Active Directory Topology and Workstation
services.
|
Automatic
|
Client Access, Unified Messaging
|
R
|
Microsoft Exchange Forms-Based
Authentication
|
MSExchangeFBA
|
Local System
|
Provides forms-based authentication
to Microsoft Office Outlook Web App and the Exchange Control Panel. If
this service is stopped, Outlook Web App and the Exchange Control Panel won't
authenticate users. This service has no dependencies.
|
Automatic
|
Client Access
|
R
|
Microsoft Exchange IMAP4
|
MSExchangeIMAP4
|
Network Service
|
Provides IMAP4 service to clients.
If this service is stopped, clients won't be able to connect to this computer
using the IMAP4 protocol. This service is dependent upon the Microsoft
Exchange Active Directory Topology service.
|
Manual
|
Client Access
|
O
|
Microsoft Exchange Information
Store
|
MSExchangeIS
|
Local System
|
Manages the Exchange Information
Store. This includes mailbox databases and public folder databases. If this
service is stopped, mailbox databases and public folder databases on this
computer are unavailable. If this service is disabled, any services that
explicitly depend on it will fail to start. This service is dependent on the
RPC, Server, Windows Event Log, and Workstation services.
|
Automatic
|
Mailbox
|
R
|
Microsoft Exchange Mail Submission
Service
|
MSExchangeMailSubmission
|
Local System
|
Submits messages from the Mailbox
server to Exchange 2010 Hub Transport servers. This service is dependent upon
the Microsoft Exchange Active Directory Topology service.
|
Automatic
|
Mailbox
|
R
|
Microsoft Exchange Mailbox
Assistants
|
MSExchangeMailboxAssistants
|
Local System
|
Performs background processing of
mailboxes in the Exchange store. This service is dependent upon the Microsoft
Exchange Active Directory Topology service.
|
Automatic
|
Mailbox
|
R
|
Microsoft Exchange Mailbox
Replication Service
|
MSExchangeMailboxReplication
|
Local System
|
Processes mailbox moves and move
requests. This service is dependent upon the Microsoft Exchange Active
Directory Topology and Net.Tcp Port Sharing service.
|
Automatic
|
Client Access
|
O
|
Microsoft Exchange Monitoring
|
MSExchangeMonitoring
|
Local System
|
Allows applications to call the
Exchange diagnostic cmdlets. This service has no dependencies.
|
Manual
|
All
|
O
|
Microsoft Exchange POP3
|
MSExchangePOP3
|
Network Service
|
Provides POP3 service to clients.
If this service is stopped, clients can't connect to this computer using the
POP3 protocol. This service is dependent upon the Microsoft
Exchange Active Directory Topology service.
|
Manual
|
Client Access
|
O
|
Microsoft Exchange Protected
Service Host
|
MSExchangeProtectedServiceHost
|
Local System
|
Provides a host for several
Exchange services that must be protected from other services. This service is
dependent upon the Microsoft Exchange Active Directory Topology service.
|
Automatic
|
Hub Transport, Client Access
|
R
|
Microsoft Exchange Replication
Service
|
MSExchangeRepl
|
Local System
|
Provides replication functionality
for mailbox databases on Mailbox servers in a database availability group
(DAG) and database mount functionality for all Mailbox servers. This service
is dependent upon the Microsoft Exchange Active Directory Topology service.
|
Automatic
|
Mailbox
|
R
|
Microsoft Exchange RPC Client
Access
|
MSExchangeRPC
|
Network Service
|
Manages client RPC connections for
Exchange. This service is dependent upon the Microsoft Exchange Active
Directory Topology service.
|
Automatic
|
Mailbox, Client Access
|
O (Mailbox), R (Client Access)
|
Microsoft Exchange Search Indexer
|
MSExchangeSearch
|
Local System
|
Drives indexing of mailbox
content, which improves the performance of content search. This service is
dependent upon the Microsoft Exchange Active Directory Topology and
Microsoft Search (Exchange Server) services.
|
Automatic
|
Mailbox
|
O
|
Microsoft Exchange Server
Extension for Windows Server Backup
|
WSBExchange
|
Local System
|
Enables Windows Server Backup
users to back up and recover application data for Microsoft Exchange. This
service has no dependencies.
|
Manual
|
Mailbox
|
O
|
Microsoft Exchange Service Host
|
MSExchangeServiceHost
|
Local System
|
|
Provides a host for several
Exchange services. On internal server roles, this service is dependent upon
the Microsoft Exchange Active Directory Topology service. On Edge
Transport servers, this service is dependent upon the Microsoft Exchange ADAM
service.
|
Automatic
|
All
|
R
|
Microsoft Exchange Speech Engine
|
MSSpeechService
|
Network Service
|
Provides speech processing
services for Unified Messaging. This service is dependent upon the Windows
Management Instrumentation (WMI) service.
|
Automatic
|
Unified Messaging
|
R
|
Microsoft Exchange System
Attendant
|
MSExchangeSA
|
Local System
|
Forwards directory lookups to a
global catalog server for legacy Outlook clients, generates e-mail addresses
and OABs, updates free/busy information for legacy clients, and maintains
permissions and group memberships for the server. If this service is
disabled, any services that explicitly depend on it will fail to start. This
service is dependent on the RPC, Server, Windows Event Log, and Workstation
services.
|
Automatic
|
Mailbox
|
R
|
Microsoft Exchange Throttling
|
MSExchangeThrottling
|
Network Service
|
Limits the rate of user
operations. This service is dependent upon the Microsoft Exchange Active
Directory Topology service.
|
Automatic
|
Mailbox
|
R
|
Microsoft Exchange Transport
|
MSExchangeTransport
|
Network
|
Provides SMTP server and transport
stack. On Hub Transport servers, this service is dependent upon the Microsoft
Exchange Active Directory Topology service. On Edge Transport servers,
this service is dependent upon the Microsoft Exchange ADAM service.
|
Automatic
|
Hub Transport, Edge Transport
|
R
|
Microsoft Exchange Transport Log
Search
|
MSExchangeTransportLogSearch
|
Local
|
Provides remote search capability
for Microsoft Exchange Transport log files. On Hub Transport servers, this
service is dependent upon the Microsoft Exchange Active Directory
Topology service. On Edge Transport servers, this service is dependent upon
the Microsoft Exchange ADAM service.
|
Automatic
|
Hub Transport, Mailbox, Edge
Transport
|
O
|
Microsoft Exchange Unified
Messaging
|
MSExchangeUM
|
Local
|
Enables Microsoft Exchange Unified
Messaging features. This allows voice and fax messages to be stored in
Exchange and gives users telephone access to e-mail, voice mail, calendar,
contacts, or an auto attendant. If this service is stopped, Unified Messaging
isn't available. This service is dependent upon the Microsoft
Exchange Active Directory Topology and the Microsoft Exchange Speech
Engine service.
|
Automatic
|
Unified Messaging
|
R
|
Microsoft Search (Exchange Server)
|
msftesql-Exchange
|
Local
|
This is a Microsoft
Exchange-customized version of Microsoft Search. This service is dependent on
the RPC service.
|
Manual
|
Hub Transport, Mailbox
|
|