unable to run upgrade readyness check list successfully in AX 4.0

Hi All,

I am working on data upgrade from AX4 to AX6

While i am running the upgrade preprocessing check list UpgradeReadyness check list is not done successfully in AX4

all the jobs remain in ready state only they are not updated to finished state,

if any one have idea on this issue in AX4 please Help me.