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Active Directory Topology Service

Monitor the Active Directory Topology service (MSExchangeADTopology). This service provides Active Directory topology information to several Exchange Server components.

Anti-spam Update

Monitor the Anti-Spam Update service (MSExchangeAntispamUpdate). Used to automatically download anti-spam filter updates from Microsoft Update.

Edge Sync

Monitor the Edge Sync service (MSExchangeEdgeSync). Connects to ADAM instance on subscribed Edge Transport servers over secure Lightweight Directory Access Protocol (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.

File Distribution

Monitor the File Distribution service (MSExchangeFDS). Used to distribute offline address book and custom Unified Messaging prompts. This service is dependent upon the Microsoft Exchange Active Directory Topology and Workstation services.

IMAP4

Monitor the IMAP4 service (MSExchangeIMAP4). Provides IMAP4 services to IMAP clients. This service is dependent upon the Microsoft Exchange Active Directory Topology service.

Information Store

Monitor the MAPI Information Store service (MSExchangeIS). Manages Exchange Server databases. Provides data storage for messaging clients. This service is dependent upon the following services: Event Log, NT LM Security Support Provider, Remote Procedure Call (RPC), Server, and Workstation.

Mailbox Assistants

Monitor the Mailbox Assistants service (MSExchangeMailboxAssistants). This service provides functionality for Calendar Attendant, Resource Booking Attendant, Out of Office Assistant, and Managed Folder Mailbox Assistant. This service is dependent upon the Microsoft Exchange Active Directory Topology service.

Mail Submission

Monitor the Mail Submission service (MSExchangeMailSubmission).Submits messages from a Mailbox server to a Hub Transport server. This service is dependent upon the Microsoft Exchange Active Directory Topology service.

Monitoring

Monitor the Monitoring service (MSExchangeMonitoring). Provides a remote procedure call (RPC) server that can be used to invoke diagnostic cmdlets. This service does not have any dependencies.

POP3

Monitor the POP3 service (MSExchangePOP3). Provides POP3 services to POP3 clients. This service is dependent upon the Microsoft Exchange Active Directory Topology service.

Replication Service

Monitor the Replication service(MSExchangeRepl). Provides log shipping functionality for local continuous replication (LCR) and cluster continuous replication (CCR). This service is dependent upon the Microsoft Exchange Active Directory Topology service.

System Attendant

Monitor the System Attendant service (MSExchangeSA). Provides monitoring, maintenance, and directory lookup services for Exchange Server. This service is dependent upon the following services: Event Log, NT LM Security Support Provider, Remote Procedure Call (RPC), Server, and Workstation.

Search Indexer

Monitor the Search Indexer service (MSExchangeSearch). Provides content to the Microsoft Search (Exchange Server) service for indexing. This service is dependent upon the Microsoft Exchange Active Directory Topology service and the Microsoft Search (Exchange Server) service.

Service Host

Monitor the Service Host service (MSExchangeServiceHost). Configures the RPC virtual directory in Internet Information Services (IIS), and registry data for ValidPorts, NSPI Interface Protocol Sequences, and AllowAnonymous for Outlook Anywhere. This service is dependent upon the Microsoft Exchange Active Directory Topology service.

Transport

Monitor the Transport service (MSExchangeTransport). Provides Simple Message Transfer Protocol (SMTP) server and transport stack. This service is dependent upon the Microsoft Exchange Active Directory Topology service.

Transport Log Search

Monitor the Transport Log Search service (MSExchangeTransportLogSearch). Provides message tracking and transport log searching. This service has no dependencies.

Speech Engine Service

Monitor the Speech Engine service (MSSpeechService). Provides speech processing services for Unified Messaging. This service is dependent upon the Windows Management Instrumentation service.

Unified Messaging

Monitor the Unified Messaging service (MSExchangeUM). Provides Unified Messaging features, such as the storing of inbound faxes and voice mail messages in a user's mailbox, and access to that mailbox via Outlook Voice Access. This service is dependent upon the Microsoft Exchange Active Directory Topology service and the Microsoft Exchange Speech Engine service.