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P6 Beginner Question - Can you delete same predecessor from multiple activities

3 replies [Last post]
sam dsoza
User offline. Last seen 2 years 24 weeks ago. Offline
Joined: 20 Jun 2006
Posts: 55
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Hello All,

So I am not new to P6 but have forgotten most of the skils for not having to use it.

My question as the subject line mentinos is if you could delete predecessor form multiple activities. Please advice.





Ronald Weaver
User offline. Last seen 1 year 39 weeks ago. Offline
Joined: 17 Mar 2003
Posts: 12

Yes you can!

select one of the activities with the offending predecessors
in the "activity detail" window, select "Predecessors" tab
highlight the offending predecessor or predecessors (yes you can delete multiple predecessors)
Click the "Assign" button on the bottom
once the "Assign Predecessors" widow opens go back to your schedule layout and "Ctrl" select all of the activates with the offending predecessor
Go back to "Assign Predecessors" window, click the red "X" button.

Raymund de Laza
User offline. Last seen 3 days 1 hour ago. Offline
Joined: 23 Nov 2009
Posts: 759
I suggest to select all activities with the same predecessor then from the predecessor window select the predecessor activty then unlink by clicking the red button x.
Zoltan Palffy
User offline. Last seen 1 hour 55 min ago. Offline
Joined: 13 Jul 2009
Posts: 2895
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within P6 you can only delete multiple predecessors from and activity but you can not delete the same predecessors from multiple activities.

You can do this with sdk and the associated spreadsheet.

EVERYTHING is based on the activity id not the predecessor id