Source note · Unified CM backup and upgrade
Cisco defines version switching as installing the new version as an inactive version, then switching to it and reverting to the old version whenever the administrator chooses.
Checked 2026-09-24
the ability to install the new version as an inactive version and switch to the new version, and revert to the old version, whenever you want
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- switch version
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 guide
- Checked
- 2026-09-24
Sources
- Upgrade and Migration Guide for Cisco Unified Communications Manager and the IM and Presence Service, Release 15 and SUs - Planning the Upgrade — Cisco Systems · tier 2 current vendor documentation · Planning the Upgrade chapter, version switching column definition
Cite this note
APA
WarmTransfer. (2026, September 24). Unified CM backup and upgrade: source note cucm-backup-upgrade-version-switch-definition. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-backup-upgrade-version-switch-definition
BibTeX
@misc{warmtransfer-claim-cucm-backup-upgrade-version-switch-definition,
title = {Unified CM backup and upgrade: source note cucm-backup-upgrade-version-switch-definition},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-backup-upgrade-version-switch-definition},
note = {Source note cucm-backup-upgrade-version-switch-definition, checked 2026-09-24}
}