Source note · Planning a Unified CM upgrade
Before upgrading, record the registered device counts from RTMT (phones, gateways and media resources) and the IM and Presence assigned-user counts, then compare them after the upgrade.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- validation
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 and SUs 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 - Pre-Upgrade Tasks (Manual Process) — Cisco Systems · tier 2 current vendor documentation · Pre-Upgrade Tasks > Record the Registered Device Count; Record the Number of Assigned Users
Cite this note
APA
WarmTransfer. (2026, September 25). Planning a Unified CM upgrade: source note cucm-upgrade-planning-record-device-counts. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-upgrade-planning-record-device-counts
BibTeX
@misc{warmtransfer-claim-cucm-upgrade-planning-record-device-counts,
title = {Planning a Unified CM upgrade: source note cucm-upgrade-planning-record-device-counts},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-upgrade-planning-record-device-counts},
note = {Source note cucm-upgrade-planning-record-device-counts, checked 2026-09-25}
}