SymptomsI open Parallels Infrastructure Manager (PIM) in Internet Explorer 7; choose a container; click the link 'Remote Desktop' in the main window; and then click 'Login' to open an RDP session to a container.
The RDP session window opens for a short moment and then automatically closes.
I see the same event in Parallels Power Panel when I go to Desktop > Container Services > Remote Desktop and click the button 'Login.'
CauseThe security settings of Internet Explorer create the problem because they are too restrictive by default and do not allow you to install and run the needed ActiveX controls for the RDP window.
ResolutionIn order to solve the problem, you should tweak the security settings of Internet Explorer 7 (IE7) in the following manner:
4. Add the PVC host to the trusted sites in Internet Explorer.