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‎09-06-2018 10:00 AM
This issue is in Jakarta version.
There is out of box functionality updating parent project task planned start and planned end dates.
how to stop child project tasks updating planned dates of parent project task.
I need to restrict child project task planned end date to be less than parent project task planned end date
Solved! Go to Solution.

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‎01-24-2019 08:30 PM
Planned Date roll-ups are calculated through the business rule 'Recalculate', where the business rules checks against the table of exclusions and then applies the recalculation.
Either you modify the business rule or include 'Project Task' table to be excluded from 'Planned task Recalculation Exclusions (planned_task_recalculation_exclusions) ' table.
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‎09-06-2018 10:10 AM
What do you gain from having parent tasks decoupled from children in that way?
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‎09-06-2018 11:33 PM
I need to restrict child project task planned end date to be less than parent project task planned end date

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‎09-11-2018 06:08 AM
Look for Business rule : Update parent rollup field once. Try de-activating the same & check for the date. Also, make sure the Roll Up field is set to false before you check for the update of date.
Thanks,
Jaspal Singh
Hit Helpful or Correct on the impact of response.
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‎09-11-2018 07:34 AM
Hello Jaspal,
I have tried to desactivate this business rule but I could not desactivate rollup field in project because there is no way to prevent this field from being in read-only (I tried with right click & configure dictionnary).
In this configuration it still doesn't work. Do you have a tip to change "Rollup" to false so that I can test ?