For message relay problems Cisco's micro trace table specifies MTA (all levels) for the Connection Message Transfer Agent service, logged to diag_MTA_*.uc, and SMTP (all levels) for the Connection SMTP Server service, logged to diag_SMTP_*.uc.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Unity Connection
- Subsystem
- diagnostic traces
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15
- Checked
- 2026-10-02
Sources
- Troubleshooting Guide for Cisco Unity Connection Release 15 - Troubleshooting Cisco Unity Connection — Cisco Systems · tier 2 current vendor documentation · Micro Traces for Selected Problems table > Message relay issues row
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting Unity Connection voicemail-to-email and notifications: source note unity-connection-notification-troubleshooting-trace-relay. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-notification-troubleshooting-trace-relay
BibTeX
@misc{warmtransfer-claim-unity-connection-notification-troubleshooting-trace-relay,
title = {Troubleshooting Unity Connection voicemail-to-email and notifications: source note unity-connection-notification-troubleshooting-trace-relay},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/unity-connection-notification-troubleshooting-trace-relay},
note = {Source note unity-connection-notification-troubleshooting-trace-relay, checked 2026-10-02}
}