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diameterControlAgent (DCA) Frequently Reporting "Unknown Session-Id" Error Messages (Doc ID 1363808.1)

Last updated on JUNE 20, 2022

Applies to:

Oracle Communications Network Charging and Control - Version 4.3.0 and later
Information in this document applies to any platform.


A very high number of "Unknown session-id" error messages are reported by the Service Logic Controller's (SLC) diameterControlAgent (DCA) process, which is a gateway for a real-time Online Charging System (OCS), as defined by the RFC (Request for Comments) 4006 - Diameter Credit-Control Application (RFC 4006) standards document.

Example of DCA "Unknown session-id" error message:


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