Source note · Planning a Unified CM upgrade
Configuration changes made after the upgrade and before a revert are lost when you revert.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- rollback
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 and SUs as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Upgrade and Migration Guide for Cisco Unified Communications Manager and the IM and Presence Service, Release 15 and SUs - Upgrade Tasks — Cisco Systems · tier 2 current vendor documentation · Upgrade Tasks > Revert to a Previous Version
Cite this note
APA
WarmTransfer. (2026, September 25). Planning a Unified CM upgrade: source note cucm-upgrade-planning-revert-loses-changes. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-upgrade-planning-revert-loses-changes
BibTeX
@misc{warmtransfer-claim-cucm-upgrade-planning-revert-loses-changes,
title = {Planning a Unified CM upgrade: source note cucm-upgrade-planning-revert-loses-changes},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-upgrade-planning-revert-loses-changes},
note = {Source note cucm-upgrade-planning-revert-loses-changes, checked 2026-09-25}
}