MS CRM 4.0 Reports Fail After Rollup Installed
May 5th, 2011
Exception message: The base class includes the field ‘reportViewer’, but its type (Microsoft.Reporting.WebForms.ReportViewer) is not compatible with the type of control (Microsoft.Reporting.WebForms.ReportViewer).
1. Download and install Microsoft Report Viewer Redistributable 2008. http://207.46.19.190/downloads/details.aspx?FamilyID=cc96c246-61e5-4d9e-bb5f-416d75a1b9ef&displaylang=en
2. Search and replace within the web.config Microsoft.ReportViewer.WebForms, Version=8.0.0.0 to 9.0.0.0
3. Do an issreset following the changes
This corrected the reports.