Office Communications Server 2007 R2 Services

Office Communications Server 2007 R2 has multiple services, specific to the server roles. Changes to some settings require stopping, starting, or restarting one or more services. The following table lists the Office Communications Server 2007 R2 services and describes the requirements for stopping, starting, and restarting the services.

Note: In addition to the service restart requirements described in the following table, it is also recommended that you stop the appropriate services before deactivating a server role, to help ensure that no users remain connected to the server.

Service	Requirements for Stopping, Starting, and Restarting Service
Office Communications Server Front End service	When using dbimpexp.exe to import or export user information, stop the service to prevent users from logging on to the Real Time Collaboration (RTC) database during the export process. Restart the service after using the Microsoft Management Console (MMC) to change any of the following: Certificate for this server. The following pool-level Front End Properties settings on the Archiving tab: Activate content archiving, Shut down server if archiving fails (including message encryption failure), or the settings of the associated Office Communications Server (including the Archiving message queue path). Restart the service after changing the following Windows Management Instrumentation (WMI) settings: MSFT_SIPRoutingSetting: DefaultPort, TLSCertIssuer, or TLSCertSN MSFT_SIPLogSetting: Enabled, Critical, StopOnEncryptionInitFailures, EnableCDR, TimeToBeReceived, or TimeToReachQueue MSFT_SIPLogOptions: Queue Path; ArchivingBEToken, or CDRBEToken
Office Communications Server IM Conferencing service	Restart the service after using the MMC to change the certificate for this server. Restart the service after changing the following WMI settings: MSFT_SIPRoutingSetting: DefaultPort, TLSCertIssuer, or TLSCertSN
Office Communications Server Telephony Conferencing service	Restart the service after using the MMC to change the certificate for this server. Restart the service after changing the following WMI settings: MSFT_SIPRoutingSetting: DefaultPort, TLSCertIssuer, or TLSCertSN
Office Communications Server Web Conferencing service	Stop the service before configuring log meeting content for compliance and before creating and configuring file folders and file shares for meeting content and metadata, and start the servers when finished. Restart the service after using the MMC to change the certificate for this server. Restart the service after changing the following WMI settings: MSFT_SIPRoutingSetting: DefaultPort, TLSCertIssuer, or TLSCertSN MSFT_SIPDataMCUCapabilitySetting: MeetingPresentationContentLocation, or MeetingMetadataLocation
Office Communications Server Audio/Video Conferencing service	Restart the service after using the MMC to change any of the following: Certificate for this server. The following A/V Conferencing Server Properties on the General tab: IP address or SIP listening port Restart the service after changing the following WMI settings: MSFT_SIPRoutingSetting: DefaultPort, TLSCertIssuer, or TLSCertSN MSFT_SIPAVMCUSetting: ListeningIPAddress or SIPListeningPort
Office Communications Server Archiving service	After moving the Archiving database, first start the MSSQLServer service, and then start the Archiving service. Restart the service after using the MMC to change the Archiving Days Logged setting on the Archiving Server Properties page. Restart the service after changing the following WMI settings: MSFT_SIPLogServiceSetting: ConcurrentThreads, ArchivingDBPath, DaysOfArchiving, PurgeTime, LogFilePath, or MaxLogFileSize
Office Communications Server Mediation service	Restart the service after using the MMC to change any of the following: General tab: Communications Server listening IP address or Gateway listening IP address. Next Hop Connections tab: FQDN or Port under Office Communications Server next hop, or IP address or Port under PSTN gateway next hop. Restart the service after changing the following WMI settings: MSFT_SIPMediationServerConfigSetting: GatewayListeningAddress, GatewayListeningPort, GatewayNextHopAddress, GatewayNextHopPort, ProxyListeningAddress, ProxyListeningPort, ProxyNextHopFQDN, or ProxyNextHopPort
Office Communications Server Address Book service	No stop or restart requirements.
Office Communications Server Address Book Web Query service	No stop or restart requirements.
Office Communications Server Access Edge service	Restart the service after using the MMC to change any of the following: Certificate for this server. Any settings on the Edge Interfaces tab on the Edge Server. Restart the service after changing the following WMI settings: MSFT_SIPRoutingSetting: DefaultPort, TLSCertIssuer, or TLSCertSN MSFT_SIPEdgeServerListeningAddressSetting MSFT_SIPMediaRelaySetting MSFT_SIPFederationExternalEdgeListeningAddressSetting MSFT_SIPFederationInternalEdgeListeningAddressSetting
Office Communications Server Web Conferencing Edge service	Restart the service after using the MMC to change any of the following settings: Certificate for this server. Any settings on the Edge Interfaces tab on the Edge Server. Restart the service after changing the following WMI settings: MSFT_SIPRoutingSetting: DefaultPort, TLSCertIssuer, or TLSCertSN MSFT_SIPEdgeServerListeningAddressSetting MSFT_SIPMediaRelaySetting MSFT_SIPFederationExternalEdgeListeningAddressSetting MSFT_SIPFederationInternalEdgeListeningAddressSetting
Office Communications Server Audio/Video Edge service	Restart the service after using the MMC to change any settings on the Edge Interfaces tab on the Edge Server. Restart the service after changing the following WMI settings: MSFT_SIPEdgeServerListeningAddressSetting MSFT_SIPMediaRelaySetting MSFT_SIPFederationExternalEdgeListeningAddressSetting MSFT_SIPFederationInternalEdgeListeningAddressSetting
Office Communications Server Audio/Video Authentication service	Restart the service after using the MMC to change any of the following settings: Certificate for A/V authentication. Any settings on the Edge Interfaces tab on the Edge Server. Restart the service after changing the following WMI settings: MSFT_SIPRoutingSetting: DefaultPort, TLSCertIssuer, or TLSCertSN MSFT_SIPEdgeServerListeningAddressSetting MSFT_SIPMediaRelaySetting MSFT_SIPFederationExternalEdgeListeningAddressSetting MSFT_SIPFederationInternalEdgeListeningAddressSetting