Reports in CRM 3.0

When viwing reports in CRM users get so many issues. 2 common issues are
1. SQL reporting service has not been configured properly.
2. CRM web site is running under asp.net 2.0 version.

About CRM web site running under asp.net 2.0 is ok for the web forms, but for the SRS it has to be running under asp.net 1.1 version.