SSAS Credential Issue when Generating OLAP
By Kevin Hsu - Updated May 21, 2015
If an error is show as below at deploy time, this indicates that SSAS credential (CORP\ssas_si) does not have SQL Server Administrator permission.
1. Open SQL Server Management Studio. Check if the user has a Login or not. If yes, double click the user and jump to Step 3).
2. Create a Login for the user.
3. In the Server Roles tab, add the user as a sysadmin. Then save your change.
4. Now you should be able to deploy the application successfully.