virtual machine deployment (n)~ The process of moving the configuration files for a virtual machine from the Virtual Machine Manager library to a virtual machine host. virtual machine expiration (n)~ A feature of Virtual Machine Manager that enables an administrator to set the number of days after the created date when a virtual machine is retired from use by self-service users. Expired virtual machines no longer appear in the Virtual Machine Manager Self-Service Portal. However the Virtual Machine Manager administrator still can manage the expired virtual machines. Expiration settings are applied transparently through the virtual machine templates with which self-service users create their virtual machines.