A restore can take a few hours depending on database size and the components chosen, and replication after the subsequent nodes restart may take several hours depending on cluster size.

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
Checked
2026-09-24

Sources

Cite this note

APA

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

BibTeX

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

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