A "The webpage cannot be found. HTTP 400." Error Occurs When Loading Laserfiche Forms In Internet Explorer 10.

October 14, 2013 | KB: 1013342
Laserfiche Forms 9

Summary

When loading Laserfiche Forms with Internet Explorer 10, you may receive an HTTP 400 error and Internet Explorer 10 displays "The webpage cannot be found."

Workaround 1

Enable Compatibility View mode for Internet Explorer 10.

Workaround 2

Explicitly configure Laserfiche Forms to not use Cookieless authentication.

  1. In the Laserfiche Forms installation folder, use a text editor to open the Laserfiche Forms web.config file.
  2. Within the configuration element, look for the authentication subelement.
  3. Within authentication, look for the forms subelement and append the cookieless attribute. Set the value of the cookieless attribute to UseCookies. The forms element should look similar to the following:

    <forms loginUrl="~/Account/LogOn" timeout="20160" name=".LFFORMSAUTH" cookieless="UseCookies" />

  4. Save your changes to the web.config file.