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Monitoring Microsoft Exchange servers

The Monitorpack team regularly provides useful metrics to easily monitor your applications, devices and systems. These are basic measurements, if you want to go further Monitorpack software Guard is able to check all performance counters, services, processes, ports, event IDs, existing printers and shares in your IT environment.

Exchange Hybrid Monitoring

Windows Services


  • Microsoft Exchange Active Directory Topology Service: Ensures connectivity between Exchange and Active Directory.
  • Microsoft Exchange Transport Service: Manages email flow.
  • Microsoft Exchange Mailbox Replication Service: Handles mailbox migration and replication.
  • Azure AD Connect Health Sync Monitor: Monitors synchronization between on-premises Active Directory and Azure AD.

    • Processes


  • Microsoft.Exchange.Store.Worker.exe: Manages mailbox database operations.
  • Microsoft.Exchange.Transport.exe: Handles message transport.
  • Microsoft.Exchange.RpcClientAccess.Service.exe: Manages RPC client access.
  • AzureADConnectSync.exe: Handles identity synchronization between Active Directory and Azure AD.

    • Ports and Sockets


  • 443 (TCP): Used for secure HTTPS communications.
  • 80 (TCP): Used for downloading certificate revocation lists (CRL).
  • 53 (TCP): Used for DNS queries to resolve domain names.
  • 88 (TCP): Used for Kerberos authentication with Active Directory.
  • 389 (TCP): Used for LDAP queries to Active Directory.
  • 445 (TCP): Used by Seamless SSO and password write-back.

    • Performance Counters


  • MSExchangeIS Store\Active Connection Count: Number of active connections to the information store.
  • MSExchange Transport Queues\Aggregate Delivery Queue Length: Length of the email delivery queue.
  • MSExchange ActiveSync\Requests/sec: Number of ActiveSync requests per second.
  • Processor(_Total)\% Processor Time: Overall CPU usage.
  • Memory\Available MBytes: Available memory in MB.

    • URL Probes


  • https://outlook.office365.com/owa/: Checks the availability of Outlook Web Access.
  • https://autodiscover.domain.com/autodiscover/autodiscover.xml: Verifies the AutoDiscover functionality.
  • https://login.microsoftonline.com/: Checks access to Microsoft's online login portal.

    • Response Time
  • Measure response times of key services (OWA, ActiveSync, Web Services) to ensure optimal performance.