What s the best approach for multi-project dependency mapping in Primavera P6

Question

Managing multiple interconnected projects in Primavera P6 is becoming a challenge, especially when trying to map out the dependencies clearly. What’s the most efficient way to handle this without the plans getting tangled or overly complex?

Answer 1

Managing several projects that share resources or have interconnected deliverables may become complicated quickly. Primavera P6 does this well, but only if you leverage its global and cross-project dependence features intelligently.

• EPS (Enterprise Project Structure) – Organize projects hierarchically by business unit or portfolio.

• Cross-Project Links – Create dependency ties between WBS items across different projects.

• Shared Calendars/Codes – Keep milestones and reports aligned through global attributes.

• Enable Inter-Project Scheduling – Activate this option to recalculate paths that span multiple projects.

• Portfolio View – View multiple projects at once to detect shared risks and constraints.

When applied correctly, this enables true multi-project alignment, visibility, and smarter forecasting at the portfolio level.