HSCN VPN Flaps (2025 H2)

Period: September 2025 — ongoing
Severity: Intermittent / Non-Production Impaired
Customer(s) affected: UK HSCN deployments

Summary

A series of intermittent VPN flaps affecting HSCN connectivity from the second half of 2025. The VPN would briefly drop and re-establish, causing short message processing delays on Rhapsody engines but not sustained outages.

Investigation Status

Ongoing. See Confluence (ref: TRIB 20441726977) for the running investigation log and latest findings from Redcentric.

Info

For troubleshooting steps see VPN Operations.