Unity Connection Release 15 supports only the OAuth2 web-based authentication mode for unified messaging with Office 365; Basic and NTLM modes are no longer supported.
Checked 2026-09-30
Cisco Unity Connection supports only the OAuth2 authentication mode for configuring Unified Messaging with Office 365.
- Vendor
- Cisco
- Product
- Cisco Unity Connection
- Subsystem
- unified messaging
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15
- Checked
- 2026-09-30
Sources
- Unified Messaging Guide for Cisco Unity Connection Release 15 - Configuring Unified Messaging — Cisco Systems · tier 2 current vendor documentation · Task List for Configuring Unified Messaging with Office 365 > authentication mode step
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up Unity Connection single inbox with Microsoft 365: source note unity-connection-single-inbox-setup-oauth2-only. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-single-inbox-setup-oauth2-only
BibTeX
@misc{warmtransfer-claim-unity-connection-single-inbox-setup-oauth2-only,
title = {Setting up Unity Connection single inbox with Microsoft 365: source note unity-connection-single-inbox-setup-oauth2-only},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/unity-connection-single-inbox-setup-oauth2-only},
note = {Source note unity-connection-single-inbox-setup-oauth2-only, checked 2026-09-30}
}