Have a war story about a CUCM virtualization requirement you missed? Share it in the comments below. This post reflects best practices based on CUCM 12.x/14.x. Always check the latest Cisco documentation before deployment.
Cisco maintains one of the most strict—and arguably most misunderstood—virtualization requirement documents in the industry. Ignoring it almost guarantees TAC will hang up on you (politely, but firmly). cisco cucm virtualization requirements
Let’s break down exactly what you need to know. Cisco publishes a Unified Communications Virtualization Compatibility Matrix (updated quarterly). If your hardware, hypervisor, or CPU isn’t listed there for your specific CUCM version— it is not supported. Have a war story about a CUCM virtualization