Source note · Unified CM backup and upgrade
If the Unified CM-before-IM and Presence switch sequence is not followed, some Software Upgrades menu pages will not display or work for the IM and Presence nodes.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- IM
- Subsystem
- cluster upgrade order
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 guide
- Checked
- 2026-09-24
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 chapter, upgrade sequence requirements (note following the switch order)
Cite this note
APA
WarmTransfer. (2026, September 24). Unified CM backup and upgrade: source note cucm-backup-upgrade-imp-order-consequence. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-backup-upgrade-imp-order-consequence
BibTeX
@misc{warmtransfer-claim-cucm-backup-upgrade-imp-order-consequence,
title = {Unified CM backup and upgrade: source note cucm-backup-upgrade-imp-order-consequence},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-backup-upgrade-imp-order-consequence},
note = {Source note cucm-backup-upgrade-imp-order-consequence, checked 2026-09-24}
}