After creating a Business Data Connectivity Service Application in SharePoint 2010 I wasn’t able to access the service application with the BDC models, external systems and external content types.
The error message I received was: "There are no addresses available for this application.”
Error description
Here is the screenshot with the error message:
Solution
The error message itself and the log files were pointing me nowhere…
Although the Business Data Connectivity Service was started using a PowerShell script right after the configuration of the service application it seems that they didn’t work together.
Maybe this is due to the fact that a timer job is involved if you start this service.

Finally I did an iisreset and everything worked fine.
Great this method still works in SharePoint 2010.