topic Question about HttpRequestValidationException's IIS in QlikView https://community.qlik.com/t5/QlikView/Question-about-HttpRequestValidationException-s-IIS/m-p/1445798#M1249584 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>I have an question about HttpRequestValidationException warnings when using IIS.</P><P></P><P>One of the methods of getting rid of these errors is by setting the requestValidationMode to 2.0 in the web.config located in the %ProgramFiles%\QlikView\Server\QlikViewClients\QlikViewAjax.</P><P></P><P>By doing this, <SPAN style="font-size: 13.3333px;">requestValidationMode will be set to ASP 2.0 mode, and therefore removing all request validation.</SPAN></P><P><SPAN style="font-size: 13.3333px;"><BR /></SPAN></P><P><SPAN style="font-size: 13.3333px;">So my questions are:</SPAN></P><OL><LI><SPAN style="font-size: 13.3333px;">How will the Request validation be handled if we turn it off? </SPAN></LI><LI><SPAN style="font-size: 13.3333px;">Does the QlikView server has its own request validation? </SPAN></LI><LI><SPAN style="font-size: 13.3333px;">Are there any other ways of making sure that those random generated strings (mainly in the stamp= section) in the URL wont contain characters that are blocked by the request validation mode?<BR /></SPAN></LI></OL></BODY></HTML> Mon, 26 Jan 2026 18:19:17 GMT nvankorlaar 2026-01-26T18:19:17Z Question about HttpRequestValidationException's IIS https://community.qlik.com/t5/QlikView/Question-about-HttpRequestValidationException-s-IIS/m-p/1445798#M1249584 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>I have an question about HttpRequestValidationException warnings when using IIS.</P><P></P><P>One of the methods of getting rid of these errors is by setting the requestValidationMode to 2.0 in the web.config located in the %ProgramFiles%\QlikView\Server\QlikViewClients\QlikViewAjax.</P><P></P><P>By doing this, <SPAN style="font-size: 13.3333px;">requestValidationMode will be set to ASP 2.0 mode, and therefore removing all request validation.</SPAN></P><P><SPAN style="font-size: 13.3333px;"><BR /></SPAN></P><P><SPAN style="font-size: 13.3333px;">So my questions are:</SPAN></P><OL><LI><SPAN style="font-size: 13.3333px;">How will the Request validation be handled if we turn it off? </SPAN></LI><LI><SPAN style="font-size: 13.3333px;">Does the QlikView server has its own request validation? </SPAN></LI><LI><SPAN style="font-size: 13.3333px;">Are there any other ways of making sure that those random generated strings (mainly in the stamp= section) in the URL wont contain characters that are blocked by the request validation mode?<BR /></SPAN></LI></OL></BODY></HTML> Mon, 26 Jan 2026 18:19:17 GMT https://community.qlik.com/t5/QlikView/Question-about-HttpRequestValidationException-s-IIS/m-p/1445798#M1249584 nvankorlaar 2026-01-26T18:19:17Z