: (e.g., 1,000 users) – Requires fewer vCPUs and less RAM.
: Memory must be 100% reserved . If a VM is assigned 8GB of RAM, that full 8GB must be locked to that VM in ESXi settings. Storage : Disk Alignment : Ensure disk partitions are aligned. cisco cucm virtualization requirements
This post reflects best practices based on CUCM 12.x/14.x. Always check the latest Cisco documentation before deployment. cisco cucm virtualization requirements