Block Update

A
assaf f 👤 Member for 18 years 5 months
Microsoft Project
A
assaf f 👤 Member for 18 years 5 months
· Permalink

The thing is I cannot apply constraints - these 2 activities are between two different files. I want to see the schedule as every gantt manager designed it.

A
assaf f 👤 Member for 18 years 5 months
· Permalink

Hi Trevor,

Thank you for your response. These assumptions are all valid.

The point is, that I would like to have control over the beginning of task B, I would like to authorize whether the change in task A really affects task B or it will be absorbed in task B’s schedule.



Thanks,

Assaf.

T
Trevor Rabey 👤 Member for 20 years 6 months
· Permalink

The question is vague and incomplete but I will have a go anyway.

Let’s call them Task A (FS0 predecessor) and Task B (FS0 Successor).

Let’s say that they are the only two Tasks in the network.

No other Task is a Predecessor or Successor of A or B.

Let’s say that the project is scheduled forwards from a start date (not backwards from a Finish Date) and all Tasks are scheduled to start as soon as possible, ie on their Earliest Start.

Let’s say that neither A or B have date constraints.

Let’s say that both A and B use the same Calendar

As you can see, it takes a lot of assumptions.



You want to "update" Task A, in some way not described, which results in the Finish of Task A changing, either being now earlier or later than it was before the "update".



The "update" could be:

the planned start of A has changed

the planned duration of A has changed

the actual start of A has changed

the actual duration of A has changed

the actual finish of A is different



The whole point of linking the tasks FS is to have the finish of A determine the Early Start of B, that is to have the change in the finish of A result in a change to the start of B.



Why would they be linked at all if you did not want that to happen?



Only if B has an actual start will Task B not be pushed or pulled by either the planned or actual finish of A

etc etc..

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