You log in to DPA, click a link on the home page, but are redirected to the login page.
Some browsers, such as Internet Explorer, enforce a DNS computer name rule that does not allow certain characters (including an underscore) in the name. If your DPA server name has one of these characters, IE blocks all session cookies, which causes the web client to not function.
See http://support.microsoft.com/kb/909264 for the full list of disallowed characters for DNS computer names.
http://my_computer_name:8123 <= underscores in name = session cookies are blocked http://mycomputername:8123 <= ok http://ipAddress:8123 <= ok
If you have a disallowed character in the computer name of your DPA server, there are several possible solutions:
localhostinstead of the computer name.
hostsfile, typically in