Test enviironment with Windows 2008 R2 and Exchange 2010 SP3 installed. We have been playing around with authentication in IIS and SSL settings to get services to work through a load balancer. This is just test so no big issues. In IIS, when I click on the Public virtual directory and select Authentication, I get the error below:
There was an error while performing this operation.
Filename c:\Program Files\Microsoft\Exchange Server\v14\ClientAccess\Owa\web.config
Line Number : 37
Error: Configuration section not allowed to be set below application.
Line 37 reads <authentication mode="Windows" />
I Googled as usual and found an article (Not Microsoft) that say to delete this line which I did. Error went away. Question I have is why should I have to delete it to begin with. This Exchange install is about 3 months old. By deleting this line, what else will break. I am sure its there for a reason. I really don't even understand that error. Can someone elaborate please?