article HTTP protocol error 407 authenticationrequired when creating a REST Connection in Official Support Articles

article HTTP protocol error 407 authenticationrequired when creating a REST Connection in Official Support Articles https://community.qlik.com/t5/Official-Support-Articles/HTTP-protocol-error-407-authenticationrequired-when-creating-a/ta-p/1710892 <P>Creating a REST connection in Qlik Sense Enterprise on Windows and testing the connection results in:</P> <P><FONT face="courier new,courier">HTTP protocol error 407 (authenticationrequired):</FONT><BR /><FONT face="courier new,courier"><!DOCTYPE HTML PUBLIC"-//W3C//DTD XHTML 1.0</FONT><BR /><FONT face="courier new,courier">Transitional//EN"</FONT><BR /><BR /><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="test connection 407 authenticationrequired.png" style="width: 453px;"><img src="https://community.qlik.com/t5/image/serverpage/image-id/56420i79300621730796EF/image-size/large?v=v2&px=999" role="button" title="test connection 407 authenticationrequired.png" alt="test connection 407 authenticationrequired.png" /></span></P> <P> </P> <H4>Environment:</H4> <P class="lia-indent-padding-left-30px"><LI-PRODUCT title="Qlik Sense Enterprise on Windows" id="qlikSenseEnterpriseWindows"></LI-PRODUCT> <BR /><LI-PRODUCT title="Qlik REST Connector" id="qlikRESTConnector"></LI-PRODUCT> </P> <P class="qlik-migrated-tkb-headings"> </P> <P class="qlik-migrated-tkb-headings"> </P> <H3 class="qlik-migrated-tkb-headings">Resolution:</H3> <P> </P> <P>This is usually caused by one of the two:</P> <OL> <LI>The proxy server in the network requires authentication.</LI> <LI>The REST Connector is out-of-date.</LI> </OL> <P><STRONG>To resolve:</STRONG></P> <OL> <LI>If the network is using proxy server which requires authentication, add proxy settings into the Rest connector configuration file:  <BR /><BR />Qlik Sense Server: C:\Program Files\Common Files\Qlik\Custom  Data\QvRestConnector\QvRestConnector.exe.config <BR /><BR />QlikSense Desktop: <A target="_blank" rel="noopener">C:\Users\</A><user name>\AppData\Local\Programs\Common Files\Qlik\Custom Data\QvRestConnector\QvRestConnector.exe.config<BR /><BR />Note: Please always make a backup before editing the original file.<BR /><LI-CODE lang="markup"><configuration> ... <system.net> <defaultProxy useDefaultCredentials="true" enabled="true"> <proxy usesystemdefault="False" autoDetect="False" proxyaddress="http://proxy-server:8080" /> </defaultProxy> </system.net> ... </configuration></LI-CODE><BR /><BR /></LI> <LI><SPAN style="font-family: inherit;">Verify that the REST Connector is up to date. <BR /></SPAN></LI> </OL> Mon, 07 Jun 2021 11:40:33 GMT Sonja_Bauernfeind 2021-06-07T11:40:33Z HTTP protocol error 407 authenticationrequired when creating a REST Connection https://community.qlik.com/t5/Official-Support-Articles/HTTP-protocol-error-407-authenticationrequired-when-creating-a/ta-p/1710892 <P>Creating a REST connection in Qlik Sense Enterprise on Windows and testing the connection results in:</P> <P><FONT face="courier new,courier">HTTP protocol error 407 (authenticationrequired):</FONT><BR /><FONT face="courier new,courier"><!DOCTYPE HTML PUBLIC"-//W3C//DTD XHTML 1.0</FONT><BR /><FONT face="courier new,courier">Transitional//EN"</FONT><BR /><BR /><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="test connection 407 authenticationrequired.png" style="width: 453px;"><img src="https://community.qlik.com/t5/image/serverpage/image-id/56420i79300621730796EF/image-size/large?v=v2&px=999" role="button" title="test connection 407 authenticationrequired.png" alt="test connection 407 authenticationrequired.png" /></span></P> <P> </P> <H4>Environment:</H4> <P class="lia-indent-padding-left-30px"><LI-PRODUCT title="Qlik Sense Enterprise on Windows" id="qlikSenseEnterpriseWindows"></LI-PRODUCT> <BR /><LI-PRODUCT title="Qlik REST Connector" id="qlikRESTConnector"></LI-PRODUCT> </P> <P class="qlik-migrated-tkb-headings"> </P> <P class="qlik-migrated-tkb-headings"> </P> <H3 class="qlik-migrated-tkb-headings">Resolution:</H3> <P> </P> <P>This is usually caused by one of the two:</P> <OL> <LI>The proxy server in the network requires authentication.</LI> <LI>The REST Connector is out-of-date.</LI> </OL> <P><STRONG>To resolve:</STRONG></P> <OL> <LI>If the network is using proxy server which requires authentication, add proxy settings into the Rest connector configuration file:  <BR /><BR />Qlik Sense Server: C:\Program Files\Common Files\Qlik\Custom  Data\QvRestConnector\QvRestConnector.exe.config <BR /><BR />QlikSense Desktop: <A target="_blank" rel="noopener">C:\Users\</A><user name>\AppData\Local\Programs\Common Files\Qlik\Custom Data\QvRestConnector\QvRestConnector.exe.config<BR /><BR />Note: Please always make a backup before editing the original file.<BR /><LI-CODE lang="markup"><configuration> ... <system.net> <defaultProxy useDefaultCredentials="true" enabled="true"> <proxy usesystemdefault="False" autoDetect="False" proxyaddress="http://proxy-server:8080" /> </defaultProxy> </system.net> ... </configuration></LI-CODE><BR /><BR /></LI> <LI><SPAN style="font-family: inherit;">Verify that the REST Connector is up to date. <BR /></SPAN></LI> </OL> Mon, 07 Jun 2021 11:40:33 GMT https://community.qlik.com/t5/Official-Support-Articles/HTTP-protocol-error-407-authenticationrequired-when-creating-a/ta-p/1710892 Sonja_Bauernfeind 2021-06-07T11:40:33Z