this is satya suravit ray. i faced a problm regarding cu version.i have a 6r80 dcm,which commisioning was done, but due to some problm in cu, we replaced it. my project was configure through starter,which backup is with me. now i got a cu 320 which version is 1.2, perviously it was 1.3, so i canot download my preivious backup ..........can any suggest me how to solve this problem.