Description of problem:
Seems like the web application (new version 1.1) can't take logins greater than
User add failed: The requested username is too long.
What is the Max. Username Length setting in the UI in Manage Policy->IPA Policy?
Does this only occur in the UI or does the command-line show the same problem?
What language was used? Were you using double-byte characters?
I am unable to duplicate this.