Just to add, here are the versions supported for Dynamics 365 CRM custom report authoring.
Microsoft SQL Server Reporting Services is required for reporting features in Microsoft Dynamics 365.
You can use the following Microsoft SQL Server editions for Microsoft Dynamics 365 reporting; you’ll need to install them on a Windows Server 2012 (x64 RTM or R2) 64-bit-based computer, running and available for Microsoft Dynamics 365:
*Microsoft SQL Server 2016, Enterprise with Cumulative Update 2 (CU2)
*Microsoft SQL Server 2016, Standard with Cumulative Update 2 (CU2)
*Microsoft SQL Server 2016, Developer, with Cumulative Update 2 (CU2) (for non-production use only)
SQL Server 2014 Enterprise, 64-bit
SQL Server 2014 Business Intelligence, 64-bit
SQL Server 2014 Standard, 64-bit
SQL Server 2014 Developer, 64-bit (for non-production use only)
Microsoft SQL Server 2012, Enterprise, 64-bit SP1
Microsoft SQL Server 2012, Business Intelligence, 64-bit SP1
Microsoft SQL Server 2012, Standard, 64-bit SP1
Microsoft SQL Server 2012, Developer, 64-bit SP1 (for non-production use only)
Full details here:
technet.microsoft.com/.../hh699754.aspx
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