I am getting the following error when I try to create a site using ArcGIS server 10.5.1 -
<Msg time="2018-06-13T12:27:42,665" type="SEVERE" code="6533" source="Admin" process="5664" thread="14" methodName="" machine="Machinaname" user="" elapsed="">Failed to create the site. com.esri.arcgis.discovery.servicelib.AGSException: java.lang.Exception: java.lang.Exception: The server was unable to access the URL 'https://Machinaname:6443/arcgis/services'. Please check your firewall and security settings. For more information, see the ArcGIS Server help topic Ports used by ArcGIS Server. You can access this topic in the table of contents by navigating to Administering ArcGIS Server > Securing your ArcGIS Server site > Configuring a secure environment for ArcGIS Server.</Msg>
