Regenerating the IIM To regenerate the implementation model: Select the (Re)generate Implementation Model option. In session “(Re)generate Implementation Model” (tticm1210m000) specify the ranges and options for generation. For more information on the fields in this session see the session’s online help and/or InContext Implementation Model (IIM) To reduce the elapsed time of this session you can run it multiple times for small ranges, based on the differences that were found in the previous step.