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Summary tasks that are Milestones do not Export as Milestones in MSP


Article ID: 7164


Updated On:


Clarity PPM SaaS Clarity PPM On Premise


When opening a project from PPM to Microsoft Project (MSP), summary tasks that are milestones due not export as milestones

Steps to Reproduce:

1. In MSP, create a new project with two tasks

2. Make the first task a milestone and also a parent task of the second task

3. Save the project to PPM and then Open the project in MSP (Do this step twice if using the new driver. For the legacy driver, the issue occurs after doing this step one time)

Expected Results: The summary task remains as a milestone

Actual Results: The summary task is no longer a milestone


Applies to all supported PAS environments.


This is due to current design of PPM


This is working as designed. PPM does not allow summary tasks to be milestones. To request an enhancement to change this behavior, we encourage you to submit an idea from our Communities site.

Additional Information

Reference TEC1987484 for steps on how to submit an idea

Reference TEC547539 for symptoms you'll see in PPM if Summary tasks are set as Milestones