UAG 2010 Portal customization is one of the key strengths in the UAG system. The Customization of UAG is based on the Custom Update concept, for more details and real life example, please check the following articles:
One of the main customization issues that i faced during the last few weeks is changing the Default icons for applications and RemoteApp published applications on the portal. UAG by default is pre-loaded with several default icons for different applications however Custom apps published using the Remote Desktop Services (RDS) RemoteApp or custom Web published apps gets the default ICON which is not sometimes representing the application as per the Owner point of view. In this article i will provide two examples for ICON customization in UAG 2010 Portal.
C:\Program Files\Microsoft Forefront Unified Access Gateway\von\PortalHomePage\images\AppIcons\CustomerUpdate (Provided that you installed the UAG in the default C-drive Location). The file should be saved under the application name, for example if your RemoteApp published application is named App1, then its icon should be App1.png.
Activate the UAG
Custom Web Application, By default Custom Web application is published with the default App.gif file, to change this you have to do it in two locations:
These two examples should lay the basic knowledge to customize your UAG Portal application ICONS and hopefully you will find it useful. For more details please check my blog http://itcalls.blogspot.com/