There's probably a KB article about this, but I know the first time I ran into the problem above, it took me forever to find the solution, so I thought I would share it with you.
If you install Virtual Server 2005 R2 (or SP1), and then Remote-Desktop to the Host Server, and pull up the Virtual Server Administration Website, you may see the error from the picture above;
HTTP 500 Internal Server Error
The website cannot display the page
Most likely causes:
- The website is under maintenance.
- The website has a programming error.
The solution? When you connect to the remote Host Server, you need to actually connect to the Console session. You would do this by clicking:
Start --> Run --> mstsc /console
After that, everything should work like a champ: