Your step #3 is no longer possible in 10.2 using ArcObjects the way you did it in 10.0, specifying the host name and domain/user/password combinations.
With everything migrating to web services, I keep having this feeling in the back of my mind that in the near future, there will be no more ESRI media. If you want ArcGIS Server, giving it to you in the cloud might be the only way you can get it some day. At least your scripts based on web services will still work.