In what cases does the VM's VF get removed?

  1. In what cases does the VM's VF get removed?
  2. If AZURE upgrades its own software components or hypervisors, shouldn't VF be removed and created simultaneously in all AZURE environments worldwide?
    If not, does the VF have a different time to remove depending on the components, hypervisors, and infrastructure?
Azure Virtual Network
Azure Virtual Network
An Azure networking service that is used to provision private networks and optionally to connect to on-premises datacenters.
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  1. KapilAnanth-MSFT 36,396 Reputation points Microsoft Employee

    @김다빈(KIM DB - Cloud사업2담당)

    Welcome to the Microsoft Q&A Platform. Thank you for reaching out & I hope you are doing well.

    You informed you are using a 3rd party application in an Azure VM with Accelerated Networking enabled and would like to know the cases where VF would be unregistered.

    The removal and addition of VF interface is discussed in Azure host servicing.

    Azure host servicing might include updating the components of the Azure network infrastructure or fully upgrading the Azure host hypervisor software. Such servicing events occur at time intervals that depend on the operational needs of the Azure infrastructure. These events typically happen several times over the course of a year.

    • Generally, any platform updates from Azure, both software and hardware are rolled in batch wise, the batch being grouped either based on regions or tenants, so that there are no downtimes and we can roll back should there be an issue.
    • However, the timeline and logic depends on the product and is not generic.
    • For a VF, it could be based on region, or more specifically, individual physical host wise.
      • "Host" is the actual physical server in a datacenter where the VMs are running.

    Kindly let us know if this helps or you need further assistance on this issue.



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