KDEX1047-W
The computer name (computer-name) contains an invalid character.
Valid characters are alphanumerals and hyphen(-).
The first character must be an alphabet and the last character must be an alphabet or a number.
[Cause] The computer name contains an invalid character.
[Action] Return to the main screen and continue installation.
[Workaround] Change the computer name and restart the OS. Then, retry installation.