VMWARE ESX 5.5 vSphere Client

1.Open your vSphere Client
2.Click the IP of you server (you will see many tabs open up on the right).
3.Click on the "Configuration" tab.
4.Click on the "Virtual Machine Startup/Shutdown" under the "Software" list (you will now see your severs).
5.Click on the "Properties..." link on the upper right corner and a box will pop up.

6.Put a check mark in the box "Allow virtual mahcines to start and stop automatically with the system.

Within this box is where you can choose the order of the VMs you want to automatically startup or manual start your VMs.

You can also set the seconds of delay of the machins can startup. This is helpful so you dont have all the machines starting up at the exact same time.