Please add following code in web.cofig file.


<system.webServer>
		<modules>
			<remove name="WebDAVModule"/>
			<remove name="FormsAuthentication" />
			<remove name="ApplicationInsightsWebTracking" />
			<add name="ApplicationInsightsWebTracking" type="Microsoft.ApplicationInsights.Web.ApplicationInsightsHttpModule, Microsoft.AI.Web" preCondition="managedHandler" />
		</modules>
		<handlers>
			<remove name="WebDAV" />
			<remove name="ExtensionlessUrlHandler-Integrated-4.0" />
			<remove name="OPTIONSVerbHandler" />
			<remove name="TRACEVerbHandler" />
			<add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="*" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0" />
		</handlers>

If not solve then please follow link.