Altaro have put out a blog on 12 of the common Hyper-V deployment mistakes that people make. I think I have done a few of these before!
- Mis-Provisioning Resources in Hyper-V
- Improper Balance of CPU and Memory
- Improper Balance of Networked Storage and Network Connectivity
- Improper Balance of SSD and Spinning Disks
- Improper Balance of Networking Resources
- Improper Focus of Resources
- Creating Too Many Networks and/or Virtual Adapters
- Creating Too Many Virtual Switches
- Optimizing Page Files
- Not Leveraging Dynamic Memory
- Leaving Default VM Configurations
- Not Troubleshooting the Right Thing
- Overloading the Management Operating System
- Leaving the Management OS in Workgroup Mode When there is a Perfectly Good AD Domain Available
- Not Testing
- Avoiding PowerShell
- Not Figuring Out Licensing in Advance
Read the entire article here – http://www.altaro.com/hyper-v/common-hyper-v-deployment-mistakes/