[GIS] Unable to connect to arcgis server local

arcgis-10.1arcgis-server

I have ArcGIS Server 10.1 installed and running , and published the services its worked , and setup & Configuration Web Adaptor

when i go the ArcGIS Web Applications for the Microsoft .NET Framework to create new web

i cannot add arcgis server local when i type the host machine Name or "localhost" this message showing

Error: Unable to connect to server

what i can do please

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Best Answer

Looks like possibly DNS/Name Resolution issues. Try using localhost or 127.0.0.1.