topic Web Adaptor for ArcGIS 10.2 (IIS) configuration issue in ArcGIS Enterprise Questions https://community.esri.com/t5/arcgis-enterprise-questions/web-adaptor-for-arcgis-10-2-iis-configuration/m-p/746437#M28326 <HTML><HEAD></HEAD><BODY><SPAN>I have successfully installed the Web Adaptor on my server with windows server 2012 and IIS 8.5. After authenticating I'm taken to the configuration page where I add my ArcGIS servers to the Web Adaptor, but instead of the normal configuration page, I'm getting "HTTP Error 503 - Service unavailable."&nbsp; After this happens the ArcGISWebAdaptorAppPool in IIS stops.&nbsp; IIS and the other sites in IIS are still accessible, just not Web Adaptor.&nbsp; I've tried installing the ArcGIS 10.2 Web Adaptor (IIS) .NET 4 Support and Trust Patch but I'm still having the same issue.&nbsp; </SPAN><BR /><BR /><SPAN>I've been able to install Web Adaptor with no problems using IIS 8 and below.&nbsp; Could this just be due to IIS 8.5 not being supported?&nbsp; Or is there additional configuration that needs to be established before this works?</SPAN><BR /><BR /><SPAN>Thanks, </SPAN><BR /><SPAN>Brett</SPAN></BODY></HTML> Tue, 14 Jan 2014 12:12:03 GMT BrettS 2014-01-14T12:12:03Z Web Adaptor for ArcGIS 10.2 (IIS) configuration issue https://community.esri.com/t5/arcgis-enterprise-questions/web-adaptor-for-arcgis-10-2-iis-configuration/m-p/746437#M28326 <HTML><HEAD></HEAD><BODY><SPAN>I have successfully installed the Web Adaptor on my server with windows server 2012 and IIS 8.5. After authenticating I'm taken to the configuration page where I add my ArcGIS servers to the Web Adaptor, but instead of the normal configuration page, I'm getting "HTTP Error 503 - Service unavailable."&nbsp; After this happens the ArcGISWebAdaptorAppPool in IIS stops.&nbsp; IIS and the other sites in IIS are still accessible, just not Web Adaptor.&nbsp; I've tried installing the ArcGIS 10.2 Web Adaptor (IIS) .NET 4 Support and Trust Patch but I'm still having the same issue.&nbsp; </SPAN><BR /><BR /><SPAN>I've been able to install Web Adaptor with no problems using IIS 8 and below.&nbsp; Could this just be due to IIS 8.5 not being supported?&nbsp; Or is there additional configuration that needs to be established before this works?</SPAN><BR /><BR /><SPAN>Thanks, </SPAN><BR /><SPAN>Brett</SPAN></BODY></HTML> Tue, 14 Jan 2014 12:12:03 GMT https://community.esri.com/t5/arcgis-enterprise-questions/web-adaptor-for-arcgis-10-2-iis-configuration/m-p/746437#M28326 BrettS 2014-01-14T12:12:03Z