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Red star Indicates important rule

  1. Search Engine Results for Problems
  2. Insufficient Backup Capabilities
  3. Our Experience has Shown Hyper-V to Contribute to Failures
  4. Technology is New and Unproven
  5. Lacks Features Present in VMware
  6. Opinions

  1. Search Engine Results for Problems

    The following are the number of hits returned on Google for issues regarding Hyper-V and VMware.

    • "VMware problems" - 532,000 - First released 1999
    • "Hyper-V problems" - 1,280,000 - First released 2007

  2. Insufficient Backup Capabilities

    With SCDPM (System Centre Data Protection Manager) in beta and incompatible with Hyper-V RC 1, the only reliable way to backup is to shutdown a VM and export. This is time consuming and unreliable.

  3. Our Experience has Shown Hyper-V to be Unreliable

    • Export process was a contributing factor to the Exchange Server 2007 corruption
    • Mehmet has had issues with network adaptors being dropped within VMs
    • Hyper-V RC 1 isn't supported by SCDPM Beta

  4. Technology is New and Unproven

    • Still in release candidate/beta stages
    • No definite RTM date
    • Using non-RTM is not proactive in protecting our network

  5. Lacks Features Present in VMware

    • VMotion - for moving VMs without downtime
    • Memory Overcommit - for allocating total of more than physical memory

  6. Opinions

    • "In this case, we strongly suggest that you test Hyper-V in the lab and then try it out in test and development roles before considering production deployments." - John Enck and Thomas Bittman (Gartner) - Article