Did you try to export the connection setting(.tde) of the cube database and publish it to the server.Without the connection details tableau wont be able hit the database and run.
Note:Also please mention the database name to which it is connected as it helps us understand the question more clearly.
What authentication do you use to connect to your cube? Windows auth or username/password?
If Windows auth - what account is your Tableau Server running under? Tableau will use that to connect to the cube on Server so it needs to be a proper account (not Network Service) and has to have permissions to the cube.
thank for you answer we have account windows authentication with the permissions to read, and write.
We have Cube on Analysis Services Microsoft 2012, and we cant do a extract over a cube only on relational database.
Would you please reach out to our support and get a case going?
Go through the regular process of getting and sending logs to them but then ask to open a bug and send it directly to me (mention TFS 556208).
I think we are tracking an issue similar to this but we'd need to see your logs in order to confirm.
thanks for your support , I opened the case before to open here.
I have the number 02405552
Can we change the case?
How can I send you the logs?
Just get it touch with support - they'll guide you through that.