Forbidden page is replaced

Forbidden page is expected to be shown as modal pop-up, redirected within the same browser, or opened on a new window.  They need to be replaced during migration.

Migration effects

During migration, Forbidden.aspx and Forbidden.aspx.vb(cs) are replaced.

What you should do

After migration, re-apply any customizations you may have made to the original files.

See Also

Version 11.0.0 Application Migration