https://community.qlik.com/t5/Management-Governance/qlik-login-failed/m-p/1615434#M18154 <P>Sounds like there is not a proxy linked to the virtual proxy being used to sign in (?).</P> <P>But also, if you're speaking of the certificates that Qlik installs during the installation, messing with them is a bad thing. This article can make them all new again:&nbsp;<SPAN><A href="https://support.qlik.com/articles/000005402" target="_blank">https://support.qlik.com/articles/000005402</A></SPAN></P> <P>&nbsp;</P> <P><SPAN>EDL</SPAN></P> Thu, 22 Aug 2019 13:59:51 GMT Anonymous 2019-08-22T13:59:51Z https://community.qlik.com/t5/Management-Governance/qlik-login-failed/m-p/1603007#M18153 <P>HI, I installed the qlik sense enterprise on windows 2016.&nbsp; <SPAN>When I sign in to QMC its not signing in .It prompts the authentication again. If I use https://IP/qmc and&nbsp;https://localhost/qmc, it is OK. I had replaced the third part of certificate.</SPAN></P><P><SPAN>I don't know. How can I solve this issue.</SPAN></P> Fri, 02 Apr 2021 08:01:23 GMT https://community.qlik.com/t5/Management-Governance/qlik-login-failed/m-p/1603007#M18153 Daai 2021-04-02T08:01:23Z https://community.qlik.com/t5/Management-Governance/qlik-login-failed/m-p/1615434#M18154 <P>Sounds like there is not a proxy linked to the virtual proxy being used to sign in (?).</P> <P>But also, if you're speaking of the certificates that Qlik installs during the installation, messing with them is a bad thing. This article can make them all new again:&nbsp;<SPAN><A href="https://support.qlik.com/articles/000005402" target="_blank">https://support.qlik.com/articles/000005402</A></SPAN></P> <P>&nbsp;</P> <P><SPAN>EDL</SPAN></P> Thu, 22 Aug 2019 13:59:51 GMT https://community.qlik.com/t5/Management-Governance/qlik-login-failed/m-p/1615434#M18154 Anonymous 2019-08-22T13:59:51Z