https://community.fabric.microsoft.com/t5/Report-Server/Custom-Security-Extension/m-p/3443761#M31190 <P><SPAN>Hello,</SPAN></P><P>&nbsp;</P><P><SPAN>Power BI Report Server on-prem is configure to use the Custom Security Extension.</SPAN></P><P>&nbsp;</P><P><SPAN>Login is successful but some reports are not running- we get this error:The requested URL /powerbi/ was not found on this server.&nbsp;</SPAN></P><P>&nbsp;</P><P><SPAN>Has anyone enconuntered this issue? and is there a solution?</SPAN></P><P>&nbsp;</P><P><SPAN>Thanks,</SPAN></P><P>&nbsp;</P><P><SPAN>SonnyR</SPAN></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Fri, 22 Sep 2023 20:18:16 GMT sonnycmi 2023-09-22T20:18:16Z https://community.fabric.microsoft.com/t5/Report-Server/Custom-Security-Extension/m-p/3443761#M31190 <P><SPAN>Hello,</SPAN></P><P>&nbsp;</P><P><SPAN>Power BI Report Server on-prem is configure to use the Custom Security Extension.</SPAN></P><P>&nbsp;</P><P><SPAN>Login is successful but some reports are not running- we get this error:The requested URL /powerbi/ was not found on this server.&nbsp;</SPAN></P><P>&nbsp;</P><P><SPAN>Has anyone enconuntered this issue? and is there a solution?</SPAN></P><P>&nbsp;</P><P><SPAN>Thanks,</SPAN></P><P>&nbsp;</P><P><SPAN>SonnyR</SPAN></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Fri, 22 Sep 2023 20:18:16 GMT https://community.fabric.microsoft.com/t5/Report-Server/Custom-Security-Extension/m-p/3443761#M31190 sonnycmi 2023-09-22T20:18:16Z