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
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