The 3 things I've had a hard time getting set up are
- IIS itself
- ASP 3.0 (yeah, I know, yuck) and
- Windows Authentication
I have one client that uses ASP 3.0, and while this is fine (well, not to me, but whatever) IIS 7 needs to you install support for classic ASP. To do this, you have to specifically install it.
- Control Panel --> Programs --> Windows Features
- Expand "Internet Information Services"
- Expand "World Wide Web Services"
- Expand "Application Development Features"
- Check some boxes...
- From "Internet Information Services" Expand "Security"
- Check "Windows Authentication"
- Now you can enable it from within IIS 7's Authentication module.
The last thing I really need working with IIS 7 is SQL Server 2005's Reporting Services. Most important, since I have some stuff I need to get done soon for work!
UPDATE: It looks like IIS 7 may not have been the problem. Looks like the application may not have been able to authenticate to Active Directory, which was causing the blank pages.