Source note · Unified CM virtualization and sizing
Physical CPU cores must not be oversubscribed for Cisco Collaboration VMs unless an application says otherwise: the host must have at least as many physical cores as the total vCPUs of all its VMs.
Checked 2026-09-25
The server must provide physical core quantity at least equal to the sum of all virtual machines' vcpus.
- Vendor
- Cisco
- Product
- Cisco Collaboration applications (incl. Unified CM)
- Subsystem
- resource allocation
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Cisco Collaboration Infrastructure Requirements — Cisco Systems · tier 2 current vendor documentation · CPU Requirements, VM Placement
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM virtualization and sizing: source note cucm-virtualization-sizing-cpu-no-oversubscription. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-virtualization-sizing-cpu-no-oversubscription
BibTeX
@misc{warmtransfer-claim-cucm-virtualization-sizing-cpu-no-oversubscription,
title = {Unified CM virtualization and sizing: source note cucm-virtualization-sizing-cpu-no-oversubscription},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-virtualization-sizing-cpu-no-oversubscription},
note = {Source note cucm-virtualization-sizing-cpu-no-oversubscription, checked 2026-09-25}
}