1/.The host name of the U2000 server must be unique on the network.
1./ The host name must be a string consisting of no more than 24 characters that can only be
letters (A to Z, a to z), digits (0 to 9) and hyphen (-).
1./ The first character must be a letter and the last character cannot be a hyphen.
1./ The host name cannot contain --.
1./ The host name must be case-sensitive.
1/ The host name cannot be empty or contain spaces.
l/ The host name cannot contain only one character.