Sharepoint 2013 BI fix issues

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Insufficient SQL database permissions for user 'Name: --------------- SID: S-1-5-21-1454471165-879983540-725345543-154471 ImpersonationLevel: None' in database 'SharePoint_AdminContent_c4e43757-e650-43f3-b2fa-bc81a0bc26c3' on SQL Server instance '  ------ '. Additional error information from SQL Server is included below. 

The EXECUTE permission was denied on the object 'proc_ReturnWebFeatures', database 'SharePoint_AdminContent_c4e43757

Management Dashboard authentication issue

http://answers.flyppdevportal.com/categories/sqlserver/sqlkjpowerpointforsharepoint.aspx?ID=4bd65a54-85d9-400f-a576-6eb3a7e016f3

 

https://social.msdn.microsoft.com/Forums/sqlserver/en-US/4bd65a54-85d9-400f-a576-6eb3a7e016f3/management-dashboard-authentication-issue?forum=sqlkjpowerpointforsharepoint