dashboard-designer

I have a sharepoint server set up, the dashboard runs great, my data sources are great. I'm trying to add a new data source from a different SSAS machine, and it won't even list it in the database dropdown when I type in my server. Went thru this with the initial ssas machine and got it to work, and from everything I can see, the new machine is set up the same way. Is there something I need to set in the cube for it to be visible? This is an instance of creating a copy of the original cube and hosting it on a new machine. I type in the name of the server, and where it should list the cubes in