When using Microsoft Database Compare, you may receive the following error:
Could not load file or assembly 'Microsoft.ReportViewer.WinForms.Version=126.96.36.199, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. They system cannot find the file specified."
The error may occur if Microsoft Report Viewer Redistributable 2008 is not installed. It is a prerequisite for Database Compare.
To fix the error, install Microsoft Report Viewer Redistributable 2008, available here: