ComputerName specifies the computer name used to access the computer from the network.
Values
Computer_name
If ComputerName is missing, you must enter a computer name during Windows® Welcome.
If ComputerName is set to an asterisk (*) or is an empty string, a random computer name will be generated. This random name has at most eight characters from the RegisteredOwner and/or RegisteredOrganization strings plus random characters.
Computer_name is a string with a maximum length of 15 characters.