HTML5 Report Viewer throws 405 (Method Not Allowed) error

Environment

Product

Progress® Telerik® Reporting

Error Message

Failed to load resource: the server responded with a status of 405 (Method Not Allowed)

Description

Telerik Reporting REST service requires PUT and DELETE verbs. Those verbs might be blocked by the WebDavModule.

Solution

Therefore, make sure WebDavModule is removed as shown in the following configuration:

<configuration>
  <system.webServer>
    <modules runAllManagedModulesForAllRequests="true">
      <remove name="WebDAVModule"/>
    </modules>
  </system.webServer>
</configuration>