I am trying to test the ArcGIS for AutoCAD functionality, using AutoCAD 2014 and the ArcGIS for AutoCAD 350 build. I am having difficulty connecting to my ArcGIS servers in the Add Service area, and wonder if 10.4 is supported? I am testing with two server instances (10.3 and 10.4), which have a mix of secured and unsecured services. The servers are available via a web adaptor. Using the Add Service button I try to configure a new server connection. Using the web adaptor url to 10.4 with a valid user credential apparently succeeds, but does not show any services. Using the web adaptor url to 10.4 without user credentials apparently succeeds, but does not show any services. If I try to connect to 10.3 with a user credential, it tells me "The remote server returned an error: (405) Method Not Allowed". Using the web adaptor url to 10.3 without user credentials was reporting an error "Error connecting to the server". It appeared to be getting stuck reading a particular service, if I stop that service it connects. I am also looking for the ArcGIS for AutoCAD 300 SP1 download, but am unable to find it.
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