Source note · Unified CM virtualization and sizing
Downloading a new OVA is optional when upgrading Unified CM 15: if the system already runs on a VM and its deployment size has not changed, no new OVA is needed. A new OVA is needed when the system size changes.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- VM lifecycle
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 15 and SUs
- 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 · Change the Virtualization Software chapter, OVA download task
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM virtualization and sizing: source note cucm-virtualization-sizing-new-ova-only-on-resize. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-virtualization-sizing-new-ova-only-on-resize
BibTeX
@misc{warmtransfer-claim-cucm-virtualization-sizing-new-ova-only-on-resize,
title = {Unified CM virtualization and sizing: source note cucm-virtualization-sizing-new-ova-only-on-resize},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-virtualization-sizing-new-ova-only-on-resize},
note = {Source note cucm-virtualization-sizing-new-ova-only-on-resize, checked 2026-09-25}
}