You try to configure an Active Directory Federation Services (ADFS) version 2 application on a portal trunk in Microsoft Forefront Unified Access Gateway (UAG) 2010. When you click Activate to apply the configuration on the server, you receive an error message that resembles the following:
Failed to run FedUtil from location C:\Program Files\Microsoft Forefront Unified Access Gateway\Utils\ConfigMgr\Fedutil.exe with parameters /u "C:\Program Files\Microsoft Forefront Unified Access Gateway\von\InternalSite\ADFSv2Sites\trunk_name\web.config".