After migrating from EWS to Graph during the upgrade to 15SU4 or later, the unified messaging service may need up to 4 hours to reach full stability.
Checked 2026-09-30
the Unified Messaging Service (UMS) may require up to 4 hours to achieve full stability and operational readiness.
- Vendor
- Cisco
- Product
- Cisco Unity Connection
- Subsystem
- unified messaging
- Deployment
- on-premises
- Region
- not restricted
- Release range
- upgrades to 15SU4 and later
- 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 (Graph API) > migration note
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up Unity Connection single inbox with Microsoft 365: source note unity-connection-single-inbox-setup-four-hour-settle. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-single-inbox-setup-four-hour-settle
BibTeX
@misc{warmtransfer-claim-unity-connection-single-inbox-setup-four-hour-settle,
title = {Setting up Unity Connection single inbox with Microsoft 365: source note unity-connection-single-inbox-setup-four-hour-settle},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/unity-connection-single-inbox-setup-four-hour-settle},
note = {Source note unity-connection-single-inbox-setup-four-hour-settle, checked 2026-09-30}
}