VMware vCenter Server allows you to create templates. You have 2 options to create template: Clone to Template and Convert to Template
To convert to VM to template you virtual machine should be turned off.
Lets look at how to creating VM template.
1.Creating a Template with Clone to Template Open vCenter and select the VM that you want to create a template with and right-click on it and select Clone to Template:
Give a name for the template and Click “Next.”
Choose the cluster and click next:
Click host which you want to place template and click next:
Select datastore which you want and click next:
And finally click Finish to complete process:
2.Creating a Template with Convert to Template Open vCenter and select the VM that you want to create a template with and right-click on it and select Convert to Template(Note that you VM must be turned off otherwise you can not use this option):
Once process will be completed you see your VM converted to template:
Convert template to Virtual Machine you need to Right-click on template which you want to convert to VM and select “Convert to Virtual Machine…”:
Create a Virtual Machine from a Template you need to Right-click on template which you want to convert to VM and select “Deploy Virtual Machine from this Template…”: