Processing cubes cause error.
Cubes fail to process.
Cube processing error, Possible causes include insufficient permissions to read Cubes Data Sources,
External connection timeout on the Analysis Server or remote connections timeout on SQL databases.
Error: Errors in the back-end-database access module.
The provider 'SQLNCLI10' is not registered.
The following system error occurred: Class not registered Errors in the high-level-relational engine.
A connection could not be made to the data source with the DataSourceID of 'ITAnalytics'
Windows server 2012R2 DataCenter
IT Analytics creates a datasource during the Analysis database creation and sets the provider used to SQLNCLI10.
SQL2012 and greater use SQLNCLI11