Source note · Planning a Unified CM upgrade
After rolling Unity Connection back to the previous version, you cannot switch forward to the newer version again and must reinstall the upgrade.
Checked 2026-09-25
you cannot later switch to the newest version again. Instead, you must reinstall the upgrade
- Vendor
- Cisco
- Product
- Unity Connection
- Subsystem
- rollback
- 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 > Rolling Back Unity Connection to the Previous Version
Cite this note
APA
WarmTransfer. (2026, September 25). Planning a Unified CM upgrade: source note cucm-upgrade-planning-cuc-rollback-reinstall. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-upgrade-planning-cuc-rollback-reinstall
BibTeX
@misc{warmtransfer-claim-cucm-upgrade-planning-cuc-rollback-reinstall,
title = {Planning a Unified CM upgrade: source note cucm-upgrade-planning-cuc-rollback-reinstall},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-upgrade-planning-cuc-rollback-reinstall},
note = {Source note cucm-upgrade-planning-cuc-rollback-reinstall, checked 2026-09-25}
}