error : The type or namespace name ‘Portal’ does not exist in the namespace ‘Microsoft.Dynamics’ (are you missing an assembly reference?)

i found this error when tried to edit and build solution for standard web control on visual studio.


how to resolve :
Right Click on your project and select add EP Proxy Project.

source :

error : HTTP Error 503: Service unavailable when open EP site AX

the issue occur when i tried restarting IIS for updating new customize on EP portal.

not all the service on IIS pool are restarting due to some error.

so just head to IIS pool, make sure the service that you required is all on “STARTED” condition like picture below


error : Errors in the high-level relational engine. A connection could not be made to the data source with the of ”,

i found this error when i tried deploying cube via ax wizard.

how to fixed error :
1. Just run the analysis service as admin domain or user domain that have the right priveleges. Set it up on SQL Server Management Configuration.

2. Then redeploy the cube :

related source :