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Which two conditions could prevent HA from powering on a virtual machine?

Which two conditions could prevent HA from powering on a virtual machine? (Choose two.)

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A.
An ESXi host has been placed into maintenance mode.

B.
The virtual machine has a high priority setting.

C.
Strict admission control is configured.

D.
The target ESXi host is not compatible with the virtual machine.

5 Comments on “Which two conditions could prevent HA from powering on a virtual machine?

  1. -=HK=- says:

    A – No explanation needed .
    C – quote from VMware KB :
    “In general, using VMware HA strict admission control ensures that you cannot power on a virtual machine if doing so would violate availability constraints (in other words, cause the current failover level to become less than the configured failover level). When such an attempt is made, a message informs you that the virtual machine cannot be powered on.”




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  2. vcp510 says:

    Which two conditions could prevent HA from powering on a virtual machine? (Choose two.)

    A.
    There is not enough free memory to meet the guests memory reservation.

    B.
    The virtual machine has been assigned a required affinity rule.

    C.
    Strict admission control is disabled for the HA cluster.

    D.
    The vCenter is hosted on the ESXi host that failed.

    Which of the following conditions could prevent HA from powering on a virtual machine (Choose Two)?

    A.
    Strict admission control is configured

    B.
    The VM has a high priority setting

    C.
    The target ESX/ESXi host is not compatible with the VM

    D.
    An ESX/ESXi host has been placed into Maintenance Mode

    Explanation:
    Admission control imposes constraints on resource usage and any action that would
    violate these constraints is not permitted. Examples of actions that could be disallowed
    include:
    Powering on a virtual machine.
    Migrating a virtual machine onto a host or into a cluster or resource pool.
    Increasing the CPU or memory reservation of a virtual machine.

    vSphere Availability Guide ESX 4.0 ESXi 4.0 vCenter Server 4.0, page 22.
    VM restart priority determines the relative order in which virtual machines are restarted
    after a host failure. Such virtual machines are restarted sequentially on new hosts, with
    the highest priority virtual machines first and continuing to those with lower priority until
    all virtual machines are restarted or no more cluster resources are available.




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  3. vcp510 says:

    Which of the following conditions could prevent HA from powering on a virtual machine
    (Choose Two)?

    A.
    The VM has a low priority setting

    B.
    Strict admission control is configured

    C.
    The target host is not compatible with the virtual machine

    D.
    The VM is connected to the ESX Host CD-ROM drive




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    1. vcp510 says:

      All correct options:
      There is not enough free memory to meet the guests memory reservation.
      The virtual machine has been assigned a required affinity rule.
      An ESX/ESXi host has been placed into Maintenance Mode
      The VM has a low priority setting
      Strict admission control is configured




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