For 12.5(1) SU2 and later, Unified CM VM configurations are named by user count (150, 1,000, 2,500, 7,500 and 10,000 users). The 10,000-user configuration is 4 vCPU at 2.50 GHz, 8 GB vRAM and one 110 GB vDisk.

Checked 2026-09-25

Vendor
Cisco
Product
Unified Communications Manager
Subsystem
VM sizing
Deployment
on-premises
Region
not restricted
Release range
12.5(1)SU2+
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM virtualization and sizing: source note cucm-virtualization-sizing-v125-user-based-ovas. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-virtualization-sizing-v125-user-based-ovas

BibTeX

@misc{warmtransfer-claim-cucm-virtualization-sizing-v125-user-based-ovas,
  title  = {Unified CM virtualization and sizing: source note cucm-virtualization-sizing-v125-user-based-ovas},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-virtualization-sizing-v125-user-based-ovas},
  note   = {Source note cucm-virtualization-sizing-v125-user-based-ovas, checked 2026-09-25}
}

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