Regarding the cube:
did you deploy the cube? If you right-click on the SSAS database, select properties and go to the Deployment tab, what's listed for database in the target section?
To find the IP Address and port used:
open SQL Server Configuration Manager. Go to SQL Server Network Configuration/ Protocols for MSSQLSERVER (or whatever your instance is called) and check the properties of the TCP/IP protocol.
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MCSE Business Intelligence - Microsoft Data Platform MVP