Source note · Unified CM backup and upgrade
Unified CM 8.0(1) and 9.1 must first be migrated directly to 12.5 with PCD 12.6 (not PCD 14 or 15) before moving on to the current release.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- upgrade paths
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 8.0(1) and 9.1 sources
- Checked
- 2026-09-24
Sources
- Upgrade and Migration Guide for Cisco Unified Communications Manager and the IM and Presence Service, Release 15 and SUs - Upgrading from Legacy Releases — Cisco Systems · tier 2 current vendor documentation · Upgrading from Legacy Releases chapter, 8.0(1) and 9.1 path
Cite this note
APA
WarmTransfer. (2026, September 24). Unified CM backup and upgrade: source note cucm-backup-upgrade-legacy-80-91-path. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-backup-upgrade-legacy-80-91-path
BibTeX
@misc{warmtransfer-claim-cucm-backup-upgrade-legacy-80-91-path,
title = {Unified CM backup and upgrade: source note cucm-backup-upgrade-legacy-80-91-path},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-backup-upgrade-legacy-80-91-path},
note = {Source note cucm-backup-upgrade-legacy-80-91-path, checked 2026-09-24}
}