Once you access the Recovery checkpoints view for the monitored Job which execution task has fallen in error and was not completed, do the following to recover job execution:
In the Recover from... column, click the option button next to the checkpoint you want to recover job execution from. Usually, you want to recover execution from a checkpoint earlier to the failure.
The selected check point starts to blink on and off on the graphical design of the monitored job in the second half of the Recovery checkpoints view.
In the Recover from ... list, you can only select check points initiated on OnSubjobOk connections.
On the toolbar of the Recovery checkpoints view, click Launch recovery.
A confirmation message appears to say that Job execution process is recovered.