Cisco's infrastructure page budgets ESXi 8.0 host memory at a minimum of 8 GB, with 12 GB for typical production deployments.

Checked 2026-09-25

Vendor
Cisco
Product
Cisco Collaboration applications (incl. Unified CM)
Subsystem
resource allocation
Deployment
on-premises
Region
not restricted
Release range
ESXi 8.0 hosts
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM virtualization and sizing: source note cucm-virtualization-sizing-esxi8-host-ram. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-virtualization-sizing-esxi8-host-ram

BibTeX

@misc{warmtransfer-claim-cucm-virtualization-sizing-esxi8-host-ram,
  title  = {Unified CM virtualization and sizing: source note cucm-virtualization-sizing-esxi8-host-ram},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-virtualization-sizing-esxi8-host-ram},
  note   = {Source note cucm-virtualization-sizing-esxi8-host-ram, checked 2026-09-25}
}

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