Source note · Unified CM backup and upgrade
The Clusterwide Upgrade option is available only for direct standard upgrades where the pre-upgrade version is at least 12.5(1).
Checked 2026-09-24
The Clusterwide Upgrade option is available only for direct standard upgrades where the pre-upgrade version is a minimum release of 12.5(1).
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- upgrade tooling
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 12.5(1) or later sources
- Checked
- 2026-09-24
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 chapter, Clusterwide Upgrade (simplified upgrade) section
Cite this note
APA
WarmTransfer. (2026, September 24). Unified CM backup and upgrade: source note cucm-backup-upgrade-clusterwide-min-1251. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-backup-upgrade-clusterwide-min-1251
BibTeX
@misc{warmtransfer-claim-cucm-backup-upgrade-clusterwide-min-1251,
title = {Unified CM backup and upgrade: source note cucm-backup-upgrade-clusterwide-min-1251},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-backup-upgrade-clusterwide-min-1251},
note = {Source note cucm-backup-upgrade-clusterwide-min-1251, checked 2026-09-24}
}