For an environment that has the BBDW deployed, the OLAP does not appear as a data source in SQL Server Reporting Studio (SSRS).
To fix this issue, please follow the instructions below.
1) Right click on Blackbaud.AppFx.ReportDB.Installer > Run as an administrator. 2) Click Edit advanced settings, then set the follow settings (see screenshot below) Deploy OLAP cube: True Create Report Services OLAP Data Source: True 3) After confirming that the other settings match the correct server instances and databases, click OK to save the settings, then re-deploy the BBDW. 4) After the BBDW deployment is complete, connect to Analysis Services in SSMS to confirm the UDM (OLAP) database exists. The OLAP should now show up as a data source in SSRS.