Microsoft Exchange Mailbox Transport Submission Receives SMTP messages from the Microsoft Exchange Transport service (on the local or remote Mailbox servers) and delivers them to a local mailbox database using RPC. Microsoft Exchange Mailbox Transport Delivery Processes mailbox moves and move requests. Performs background processing of mailboxes in mailbox databases on the server. Microsoft Exchange Active Directory Topology.If this service is stopped, mailbox databases on the server are unavailable. Manages the mailbox databases on the server. If you don't have any IMAP4 clients, you can disable this service. By default, this service isn't running, so IMAP4 clients can't connect to the Exchange server until this service is started.
Receives proxied IMAP4 client connections from the from the Client Access (frontend) IMAP4 service. Proxies IMAP4 client connections from the Client Access (frontend) services to the backend IMAP4 service on Mailbox servers. Part of managed availability that attempts to recover unhealthy components on the Exchange server. Microsoft Exchange Health Manager Recovery
Windows Event LogWindows Management Instrumentation Part of managed availability that monitors the health of key components on the Exchange server. Proxies SMTP connections from external hosts to the Microsoft Exchange Transport service on Mailbox servers (the local server or remote servers). If you don't have any subscribed Edge Transport servers, you can disable this service.Īuto applies important security mitigations on Exchange Server to secure against known threats. Replicates configuration and recipient data between the Mailbox server and Active Directory Lightweight Directory Services (AD LDS) on subscribed Edge Transport servers over a secure LDAP channel. Provides an agent that monitors Exchange server health. Microsoft Exchange Active Directory TopologyNet.TCP Port Sharing Service Provides storage and database layout management for Mailbox servers in database availability groups (DAGs). Provides a host for Exchange compliance services. For more information, see Deprecating support for SmartScreen in Outlook and Exchange. The existing SmartScreen spam definitions were left in place, but their effectiveness will likely degrade over time. Note: In November, 2016, Microsoft stopped producing spam definition updates for the SmartScreen filters in Exchange and Outlook.
Provides Exchange SmartScreen spam definition updates. If this service is stopped, most Exchange services can't start. Provides Active Directory topology information to Exchange services. Microsoft Exchange Active Directory Topology The following table describes the Exchange services that are installed on Mailbox servers. For services that are labeled as optional, you can disable the service if you determine your organization doesn't need the functionality that's provided by the service. The sections in this topic describe the various services that are installed by Exchange 2016 and Exchange 2016 on Mailbox servers and Edge Transport servers. Note that some services only become active when specific features are used.
Each Exchange server role includes services that are part of (or may be needed by) the server role to perform its functions. A service can run using either a graphical user interface (GUI) mode or a console mode.Īll previous versions of Exchange included components that are implemented as services. Services are executable files designed to operate independently and without administrative intervention. A service is a background process that can be launched during the startup of the server by the Windows Service Control Manager.
During the installation of Exchange Server 2016 or Exchange Server 2019, Setup runs a set of tasks that install new services in Microsoft Windows.