Import AOD to Base line Database option is missing in AOD Code upgrade checklist while upgrading from AX 2009 to AX 2012 R2

Hi,

I am upgrading AX 2009 to AX 2012 R2, I have successfully completed data upgrade pre-processing , while I tried upgrading the AOD file from target AX 2012 R2 system, Import AOD to Base line Database option is missing in AOD Code upgrade checklist , Kindly suggest the solution for the same.

Regards.