If you want to create duplicate of existing report in axapta 2012 then you can visit following link to get steps. Duplicate SSRS reports [Dynamics AX 2012] To Duplicate SSRS Reports wizard with artifacts [Data provider, Contract, UIBuilder, CSharp project [Dynamics AX 2012] you can try following link to see details. Duplicate SSRS Reports wizard
Technical Tutorials x++,tips on issues or troubleshooting On Ax ERP ,Microsoft Dynamics 365,Ax 2012,Microsoft , U.S.,Business Software solution.