An upgrade counts as complete only when every cluster node has installed the new version as inactive, switched version and rebooted, and database replication has completed.

Checked 2026-09-24

Vendor
Cisco
Product
Unified Communications Manager
Subsystem
cluster upgrade order
Deployment
on-premises
Region
not restricted
Release range
Release 15 guide
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Unified CM backup and upgrade: source note cucm-backup-upgrade-complete-definition. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-backup-upgrade-complete-definition

BibTeX

@misc{warmtransfer-claim-cucm-backup-upgrade-complete-definition,
  title  = {Unified CM backup and upgrade: source note cucm-backup-upgrade-complete-definition},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-backup-upgrade-complete-definition},
  note   = {Source note cucm-backup-upgrade-complete-definition, checked 2026-09-24}
}

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