About this task
Virtual server upgrades use the same ISO file as used for non-virtual servers.
ISO file:
You can use this type of file to upgrade an existing virtual machine, see Upgrading a virtual machine. Before using an.iso file, you must backup all applications data and check that you have understood any additional requirements mentioned in the IP Office Technical Bulletin for the IP Office release. IP Office Technical Bulletins are downloadable from the same website as the software.