Booting a VM from a virtual CD-ROM
If a VM has just been created and you are trying to install the operating system from a virtual CD-ROM, you can turn the VM on, connect the ISO image to the operating system, and reboot the VM. It will start booting from the CD-ROM right away.
If the operating system has already been installed and you need to boot this VM from the CD-ROM, it may be challenging, as the option to press Esc for Boot Menu is displayed for a very short period of time:
How to do it...
To increase the time for which this option is displayed so that you can press Esc, you'll need to change the Power On Boot Delay value. To do that, perform the following steps:
- Go to VM Settings | Options | Boot Options.
- Select the Power On Boot Delay option.
- Set the value to
3,000so that the VM waits for 3 seconds for Esc.
- The location of this setting in vCenter Web Client is similar:
- Right-click on a VM
- Go to Edit Settings...
- Go to VM Options | *Boot options.
- Adjust the Boot Delay (*) setting.
How it works...
Once Esc has been pressed, you'll get the Boot Menu options to choose from. Connect the ISO image, host or local CD-ROM in VM Settings, and choose CD-ROM drive from the Boot Menu:
