The name you log in with
Your username is a sequence of alphanumeric characters and underscores that
uniquely identifies you to the system. The exact format of the username
depends upon how your system is configured.
This system is configured to use usernames.
and your username is
You cannot alter your username: you have to get the administrator to do this for you.
The username is checked for invalid characters using the below filter. Any characters matching this filter will invalidate the username.
Contact your site administrator
for further assistance.
Related Topics for Administrators: ManagingUsers