В продолжение разговора. Официальная позиция MS
Цитата:
Bug 1651325 Reporting Services and Analysis Services extensions support for SQL 2014 SSDT
Product and version
Microsoft Dynamics AX 2012 R3
RESOLUTION
Will not be fixed
PROBLEM
Reporting Services and Analysis Services extensions support for SQL 2014 SSDT.
REMARKS
Microsoft has evaluated this issue, and will not be issuing a fix at this time.