Firewall settings could not be configured. Unknown error 0xC00403C4 [0xC00403C4] RRS feed

  • Question

  • Had this error after adding an ADFS2.0 trunk and an Openam trunk.  The error text in the title was displayed in the Event log and when I activate the UAG configuration.


    Friday, July 8, 2011 10:57 PM


  • Solved the problem:  Seems what caused the error was the usage of the UAG defined protocol rules in the 'backup' firewall rule.  As a test, I created user-defined protocols, removed the UAG defined protocol rules, inserted my new ones and the activation completed successfully.  Will begin testing connectivity.

    However, here is an article by Ben Ari that talks about modifying the firewall rules in conjunction with UAG (basically, don't modify TMG - create applications that do what you want and let UAG create the special rules):






    Monday, July 11, 2011 6:19 PM