Single inbox with Office 365 may not work when the Unity Connection service account was created in on-premises Active Directory and synchronised to Office 365, because Unity Connection cannot handle ADFS. Cisco's fix is to create the account locally in Office 365.
Checked 2026-10-02
Unity Connection is not equipped to handle ADFS
- Vendor
- Cisco
- Product
- Unity Connection
- Subsystem
- single inbox
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15
- Checked
- 2026-10-02
Sources
- Troubleshooting Guide for Cisco Unity Connection Release 15 - Troubleshooting Unified Messaging — Cisco Systems · tier 2 current vendor documentation · Troubleshooting Unified Messaging > Office 365 ADFS note
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting Unity Connection voicemail-to-email and notifications: source note unity-connection-notification-troubleshooting-adfs-limit. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-notification-troubleshooting-adfs-limit
BibTeX
@misc{warmtransfer-claim-unity-connection-notification-troubleshooting-adfs-limit,
title = {Troubleshooting Unity Connection voicemail-to-email and notifications: source note unity-connection-notification-troubleshooting-adfs-limit},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/unity-connection-notification-troubleshooting-adfs-limit},
note = {Source note unity-connection-notification-troubleshooting-adfs-limit, checked 2026-10-02}
}