Primavera P6: Summarize/Roll up activity duration at WBS level using duration value, not earliest and latest date

By default, Primavera P6 summarizes/rolls up activity duration at the WBS level by calculating the period from the earliest Start Date to the latest Finish Date of all activities in that WBS. In case we want to calculate the summary duration by simply adding up the duration of all activities, below are the steps. Go... Continue Reading →

Why does Asterisk (*) appears next to the date in the Start or Finish column when no constraints applied to the activity

In Primavera, sometimes we see there is an Asterisk (*) appears next to the date in the Start or Finish column but no constraints have been applied to the activity. Why does it happen? I'll explain here. The asterisk appears if the activities have relationships to external projects. This project I receive from my friend and import to... Continue Reading →

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