In addition to the existing blog posts on Remote Desktop Services and Single Sign-on, the Ask Performance Team blog as a new post on fixes specific multiple credential prompt issues:
Getting multiple credential prompts when connecting to Remote Desktop Remote Apps: http://blogs.technet.com/b/askperf/archive/2010/11/19/getting-multiple-credential-prompts-when-connecting-to-remote-desktop-remote-apps.aspx
More blog posts, resources and knowledgbase articles here:
Blog posts:
- Introducing Web Single Sign-On for RemoteApp and Desktop Connections: http://blogs.msdn.com/b/rds/archive/2009/08/11/introducing-web-single-sign-on-for-remoteapp-and-desktop-connections.aspx
- How to enable Single Sign-On for my Terminal Server connections: http://blogs.msdn.com/b/rds/archive/2007/04/19/how-to-enable-single-sign-on-for-my-terminal-server-connections.aspx
- WS2008: Frontside Authentication and SSO: http://blogs.technet.com/b/askperf/archive/2008/02/21/ws2008-frontside-authentication-and-sso.aspx
TechNet:
- Single Sign-On for Terminal Services: http://technet.microsoft.com/en-us/library/cc772108(WS.10).aspx
- Enable RDC Client Single Sign-On for Remote Desktop Services: http://technet.microsoft.com/en-us/library/cc742808.aspx
- Smart Card and Remote Desktop Services: http://technet.microsoft.com/en-us/library/ff404286(WS.10).aspx
Knowledgebase articles:
- Windows Server 2008 R2 RD Web Single Sign On: http://support.microsoft.com/kb/982872/
- Windows Server 2008 R2 RD Web Single Sign On: http://support.microsoft.com/kb/2276874/
- The "Connected" icon does not appear in the notification area when you connect to a remote application by using Remote Desktop Web Access on a computer that is running Windows Server 2008 R2:http://support.microsoft.com/kb/977507/
- Recommended Updates for the Remote Desktop Services (Terminal Services) in Windows Server 2008 and Windows Server 2008 R2:http://support.microsoft.com/kb/2312539/