Source note · Planning a Unified CM upgrade
On a system with Permanent License Reservation, return the license with license smart reservation return before upgrading to Release 15.
Checked 2026-09-25
Before upgrade to version 15, return the license using the 'license smart reservation return' command.
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- Smart Licensing
- Deployment
- on-premises
- Region
- not restricted
- Release range
- PLR-enabled source; destination 15
- Checked
- 2026-09-25
Sources
- System Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Smart Software Licensing — Cisco Systems · tier 2 current vendor documentation · Smart Software Licensing > Upgrading Permanent License Reservation Enabled System to Version 15
Cite this note
APA
WarmTransfer. (2026, September 25). Planning a Unified CM upgrade: source note cucm-upgrade-planning-plr-return-before-15. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-upgrade-planning-plr-return-before-15
BibTeX
@misc{warmtransfer-claim-cucm-upgrade-planning-plr-return-before-15,
title = {Planning a Unified CM upgrade: source note cucm-upgrade-planning-plr-return-before-15},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-upgrade-planning-plr-return-before-15},
note = {Source note cucm-upgrade-planning-plr-return-before-15, checked 2026-09-25}
}