Source note · Unified CM backup and upgrade
A DRS backup taken before an upgrade cannot be restored onto the cluster after it has switched to the new version; restoring it needs a node on the exact pre-upgrade version.
inferred · Checked 2026-09-24
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- Disaster Recovery System
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 and SUs
- Status
- inferred
- Checked
- 2026-09-24
Sources
- Administration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Restore the System — Cisco Systems · tier 2 current vendor documentation · Restore the System chapter, restore prerequisites (version match)
Cite this note
APA
WarmTransfer. (2026, September 24). Unified CM backup and upgrade: source note cucm-backup-upgrade-inf-backup-not-cross-version. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-backup-upgrade-inf-backup-not-cross-version
BibTeX
@misc{warmtransfer-claim-cucm-backup-upgrade-inf-backup-not-cross-version,
title = {Unified CM backup and upgrade: source note cucm-backup-upgrade-inf-backup-not-cross-version},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-backup-upgrade-inf-backup-not-cross-version},
note = {Source note cucm-backup-upgrade-inf-backup-not-cross-version, checked 2026-09-24}
}