Hello.
some Clients (1% from all) get the Message "Failed to start a new session. Try again" message".
We've tried all Steps (deinstall Jabber, delete %appdata%, (un)check "presence Button in the user profil in CUCM) but these People are unable to login to Jabber. Other people in the same network have no problems.
DNS Check after Start is successful and the user is prompt for username and passwort but it fails at this point
