Cisco Cucm Virtualization Requirements «Android»
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.
show status show hardware show version active Then cross-reference with the (you’ll need a Cisco.com login). The Bottom Line CUCM in a VM is incredibly stable—if you follow the rules. Cisco’s requirements aren’t bloated; they exist because UC is real-time, intolerant of jitter, and demands deterministic resources. cisco cucm virtualization requirements
Example: If the OVA defines 16 GB RAM, reserve all 16 GB. Have a war story about a CUCM virtualization
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. Cisco’s requirements aren’t bloated
If you’ve ever deployed Cisco Unified Communications Manager (CUCM) in production, you already know: this is not a “throw it on any VMware cluster” situation.
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.
show status show hardware show version active Then cross-reference with the (you’ll need a Cisco.com login). The Bottom Line CUCM in a VM is incredibly stable—if you follow the rules. Cisco’s requirements aren’t bloated; they exist because UC is real-time, intolerant of jitter, and demands deterministic resources.
Example: If the OVA defines 16 GB RAM, reserve all 16 GB.
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.
If you’ve ever deployed Cisco Unified Communications Manager (CUCM) in production, you already know: this is not a “throw it on any VMware cluster” situation.
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