There are no Direct Refresh Upgrade supported paths to Unified CM and IM and Presence Service Release 15 and later.

Checked 2026-09-24

There are no Direct Refresh Upgrade supported paths for Unified Communications Manager and the IM and Presence Service Release 15 and later versions.
Vendor
Cisco
Product
Unified Communications Manager
Subsystem
upgrade paths
Deployment
on-premises
Region
not restricted
Release range
Release 15 and later as destination
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Unified CM backup and upgrade: source note cucm-backup-upgrade-no-refresh-paths-15. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-backup-upgrade-no-refresh-paths-15

BibTeX

@misc{warmtransfer-claim-cucm-backup-upgrade-no-refresh-paths-15,
  title  = {Unified CM backup and upgrade: source note cucm-backup-upgrade-no-refresh-paths-15},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-backup-upgrade-no-refresh-paths-15},
  note   = {Source note cucm-backup-upgrade-no-refresh-paths-15, checked 2026-09-24}
}

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