Hermes Messaging Service release notes

  • Release version: Australia
  • Updated March 12, 2026
  • 1 minute to read
  • The ServiceNow® Hermes Messaging Service application enables you to integrate your Apache Kafka environment with your ServiceNow® instance. Hermes Messaging Service was enhanced and updated in the Australia release.

    Hermes Messaging Service highlights for the Australia release

    • Create more Hermes topics for specific events or integrations with an expanded topic limit.
    • View granular usage metrics in the Hermes Usage Dashboard.
    • Restrict access to the Hermes cluster based on the client IP address.

    See Hermes Messaging Service for more information.

    New in the Australia release

    Expanded topic limits in Hermes
    Create more topics in Hermes with an increased topic limit. The total number of partitions across all topics can't exceed 960.
    Hermes Usage Dashboard improvements
    View Hermes data usage by source, including the total number of bytes received and bytes sent over time, in the Hermes Usage Dashboard.
    Access restrictions by IP address
    Restrict access to Hermes by enabling IP address access control rules.
    View-only role
    Enable administrators to view topics and namespaces in Hermes by granting the hermes_viewer role instead of the full admin role.

    Activation information

    Hermes Messaging Service is a ServiceNow AI Platform feature that is available with activation of the ServiceNow Stream Connect Installer (com.glide.hub.stream_connect.installer) plugin or the installation of the Log Export Service application. For details, see Activating the Hermes Messaging Service.