Source note · Planning a Unified CM upgrade
There are no Direct Refresh Upgrade paths to Unified CM and IM and Presence Service Release 15 or later.
Checked 2026-09-25
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
- destination Release 15 and later; current as of 2026-09-25
- 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 > Upgrade Types > Direct Refresh Upgrade
Cite this note
APA
WarmTransfer. (2026, September 25). Planning a Unified CM upgrade: source note cucm-upgrade-planning-no-refresh-upgrade-to-15. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-upgrade-planning-no-refresh-upgrade-to-15
BibTeX
@misc{warmtransfer-claim-cucm-upgrade-planning-no-refresh-upgrade-to-15,
title = {Planning a Unified CM upgrade: source note cucm-upgrade-planning-no-refresh-upgrade-to-15},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-upgrade-planning-no-refresh-upgrade-to-15},
note = {Source note cucm-upgrade-planning-no-refresh-upgrade-to-15, checked 2026-09-25}
}