Source note · Unified CM virtualization and sizing
The Release 15 guide's ESXi upgrade procedure has four steps: move the Unified CM VM off the host (vMotion, or power down and copy), upgrade ESXi per VMware's procedure, verify the upgrade, then return the VM to the host.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- VM lifecycle
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 15 and SUs (VMware ESXi)
- Checked
- 2026-09-25
Sources
- Upgrade and Migration Guide for Cisco Unified Communications Manager and the IM and Presence Service, Release 15 and SUs - Change the Virtualization Software — Cisco Systems · tier 2 current vendor documentation · Upgrade vSphere ESXi
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM virtualization and sizing: source note cucm-virtualization-sizing-esxi-upgrade-sequence. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-virtualization-sizing-esxi-upgrade-sequence
BibTeX
@misc{warmtransfer-claim-cucm-virtualization-sizing-esxi-upgrade-sequence,
title = {Unified CM virtualization and sizing: source note cucm-virtualization-sizing-esxi-upgrade-sequence},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-virtualization-sizing-esxi-upgrade-sequence},
note = {Source note cucm-virtualization-sizing-esxi-upgrade-sequence, checked 2026-09-25}
}