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  • When base image update has been performed (e.g. Windows patches applied to the golden master image) then on vm restart there is a need of pointing the VM at the new golden master.
  • We need to be able to update existing VMs with a new base image to support the pooled desktop.
  • Since the template should be immutable, if the new version of template is created, then it is another template. So vm should boot up using the new template.
  • In case of pooled desktops if a VM is already restarted and got pointed to the new updated base image, then when the restart of other VMs it should check for the new updated base image (already downloaded previuosly) and point to that.

Use cases

The usual way to point out to the new base image is to destroy the machine and recreate with the new disk.

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