Resolve Terminal Services Session (RDP) Permission error
Getting following error when trying to run software installation in Windows 2003 Server Terminal Services Session (RDP): Only administrators have permission to add, remove, or configure server software during a terminal services remote session. The login user has all the admin rights. What could be the problem?

smallwei 5:55 am on October 13, 2009
You need to enable Remote Admin Setting.
Use regedit to add the following registry key to enable Windows Installer installs: