Source note · Planning a Unified CM upgrade
Sources from 10.5 through 12.0 have no direct upgrade to Release 15. They move by a PCD Migration or a fresh install with data import, and each path needs specific COP files.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- upgrade paths
- Deployment
- on-premises
- Region
- not restricted
- Release range
- source 10.5 to 12.0; destination 15
- Checked
- 2026-09-25
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 > Supported Upgrade and Migration Paths table, rows 10.5 through 12.0
Cite this note
APA
WarmTransfer. (2026, September 25). Planning a Unified CM upgrade: source note cucm-upgrade-planning-pre-125-needs-migration. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-upgrade-planning-pre-125-needs-migration
BibTeX
@misc{warmtransfer-claim-cucm-upgrade-planning-pre-125-needs-migration,
title = {Planning a Unified CM upgrade: source note cucm-upgrade-planning-pre-125-needs-migration},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-upgrade-planning-pre-125-needs-migration},
note = {Source note cucm-upgrade-planning-pre-125-needs-migration, checked 2026-09-25}
}