Please excuse us for the inconvenience caused. Since we are currently working ont he *.aspx additional URLs support, I'd suggest you using a URL rewriter. You can take a look at http://urlrewriter.net/
, I believe it meets the desired criteria. Another option might be using the IIS built-in URL Rewrite module, which can also be configured to detect the *.aspx request and transform it in Sitefinity 4.x friendly URL names.
All the best,
the Telerik team
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