Source note · Planning a Unified CM upgrade
While a Unity Connection cluster upgrades, the publisher is fully disabled and the subscriber keeps serving users and callers.
Checked 2026-09-25
the publisher server is completely disabled for the entire duration of upgrade
- Vendor
- Cisco
- Product
- Unity Connection
- Subsystem
- upgrade
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Unity Connection Release 15
- Checked
- 2026-09-25
Sources
- Install, Upgrade and Maintenance Guide for Cisco Unity Connection Release 15 - Upgrading Cisco Unity Connection — Cisco Systems · tier 2 current vendor documentation · Upgrading Cisco Unity Connection > Upgrading a Unity Connection Cluster
Cite this note
APA
WarmTransfer. (2026, September 25). Planning a Unified CM upgrade: source note cucm-upgrade-planning-cuc-publisher-disabled. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-upgrade-planning-cuc-publisher-disabled
BibTeX
@misc{warmtransfer-claim-cucm-upgrade-planning-cuc-publisher-disabled,
title = {Planning a Unified CM upgrade: source note cucm-upgrade-planning-cuc-publisher-disabled},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-upgrade-planning-cuc-publisher-disabled},
note = {Source note cucm-upgrade-planning-cuc-publisher-disabled, checked 2026-09-25}
}