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HTML5 Report Viewer throws 405 (Method Not Allowed) error


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Error Message

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


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


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

    <modules runAllManagedModulesForAllRequests="true">
      <remove name="WebDAVModule"/>
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