Type the user ID for the user profile you are creating. Make a note of this user ID for reference later.
The user name must start with an alphabetic character and consist of 1 to 32 alphanumeric characters.
The user name cannot contain any of the following characters:
back slash (\),
greater than (>),
less than (<),
asterisk (*),
ampersand (&),
question mark (?),
dollar sign ($),
vertical bar (|)
left and right square brackets ([ ]),
apostrophe ('),
accent (`)
quotation mark ("),
comma (,),
tilde (~),
colon (:),
left and right parentheses ( ),
semicolon (;),
exclamation mark (!),
number sign (#),
percent sign (%),
caret (^),
equals sign (=),
forward slash (/),
plus sign (+),
at sign (@),
left and right curly braces ({ }),
or space.