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Systems & Data Center · Intermediate

Live Migration

Moving a running VM from one host to another with no perceptible downtime, as in Hyper-V Live Migration or KVM live migration.

Definition

Hyper-V supports live migration within a cluster, shared-nothing live migration between standalone hosts and storage migration. Authentication uses CredSSP or Kerberos constrained delegation, and SMB or compression transport can speed transfers.

Example

Move-VM -Name app01 -DestinationHost hv02 -IncludeStorage -DestinationStoragePath D:\VMs performs a shared-nothing migration.

Exam tip

Kerberos constrained delegation is required to initiate Hyper-V live migration remotely without CredSSP.

Related terms