ArcGIS/ArcMap - Connecting to Whitestar Cloud® ArcGIS Server Feature/Map Service
In ArcCatalog expand GIS Servers
Click Add ArcGIS Server
In the dialog box that opens check the ‘Use GIS services
In the dialog that opens add https://streams.whitestar.com/arcgis/services in the Server URL box. Then put in the User Name and Password that was supplied to you by Whitestar.
Click Finish.
Services you have credentials for will be displayed in ArcCatalog once you’re connected.