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Changing VM hardware

Adding CPU, memory, disks, network adapters and CD/DVD drives to an existing machine.

Edit Hardware is where you resize an existing machine. Everything you set when the machine was built can be changed here, and you can add extra disks, network adapters and CD/DVD drives.

Before you start

  • Impersonate the tenant administrator for the customer

  • Power the machine off. Most hardware changes cannot be applied while it is running

  • Check the Virtual Data Center has enough spare CPU, memory or storage for the increase

How to change the hardware

  • Open the virtual machine

  • Click Actions then Edit Hardware

  • Change the values you need under General Configuration, Storage Configuration, Network Configuration or CD/DVD Drive

  • Use Add New Device to add another Storage, Network or CD/DVD Drive

  • Click Apply

What you can change

  • CPU sockets and cores, and the CPU model

  • Memory in GiB

  • BIOS type, TPM, the QEMU guest agent and whether the machine starts automatically at boot

  • Disk size and storage policy for each disk. Disks can be grown but not shrunk

  • The network each adapter connects to, the NIC model and whether it is connected

  • The ISO mounted in the CD/DVD drive

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