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Dependencies
Soft dependencies don’t have a scheduling impact.
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a mandatory gap between tasks
Unable to change dates
The dates of this task are determined by the dependency linking it to another task.
The dates of this task are determined by the dependencies linking it to other tasks.
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move the source task before moving the target task.
change the task scheduling mode to manual (automatic rules no longer apply - you can manually change the dependency dates). The dependency arrow is orange to indicate the rules are broken, but you are allowed to place the task wherever you want.
change the dependency type to ‘soft’ - soft dependencies don’t have a scheduling impact. They can be used to indicate a connection between tasks.
remove the dependency.
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Dates adjusted by a dependency
Dependency rules have repositioned a task.
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When a target task doesn’t have start/end date, it is not on the timeline. Once a task is positioned on the timeline, dependency rules apply.
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Scheduling mode
Unable to change dates
Auto top-down task
The dates of this task depend on the dates of its parent, which is set to auto top-down scheduling mode.
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Change the position of the parent
Change the period scheduling mode
of the child to ‘manual’ - automatic rules don’t apply. You can position tasks as you want.
of the child to ‘auto bottom-up’ - parent task period is modified by children
of a child to ‘auto basic’ - a task responds only to dependencies and non-working days. Period and position of the parent are ignored.
change how tasks are nested in the tree
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Locked parent
The dates of this task depend on the dates of its parent, which is set to Locked scheduling mode.
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Change the scheduling mode of the child task
Change the period of the parent task (if parent is ‘locked', the parent scheduling mode must be changed to allow for changes of its period).
change how tasks are nested in the tree.
Locked task
This task is set to Locked scheduling move, so its dates can’t be changed.
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change the task scheduling mode.
Auto bottom-up task
This task is set to auto bottom-up scheduling mode, so its dates depend on the dates of its subtasks.
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Solution:
change the parent period scheduling mode
change the dates of the child tasks.
Dates adjusted by parent task
Auto top-down
The dates of this task depend on the dates of its parent, which is set to Auto top-down scheduling mode.
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The child didn’t have dates. Once the child is placed on a timeline, it adjusts to fit the parent.
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Locked parent
The dates of this task depend on the dates of its parent, which is set to Locked scheduling mode.
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Dates adjusted by subtasks
Auto bottom-up task
This task is set to the auto bottom-up scheduling mode, so its dates depend on the dates of its subtasks.
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See the video:
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Field mapping
Date adjusted by time logged on task
Example:
The task duration is 4 days. The End Date field is mapped to the Remaining Estimate + Time Spent field. An assigned person logged 3 days on this task. The remaining estimate is 1 day now. A user changed the task duration to 2 days (either by resizing the task on the Gantt chart, changing the End Date field, or editing the Duration Working Days field).
BigPicture adjusts the task duration to the value of the time logged for the task.
The following message is displayed:
Due to the mapping of the End Date field, the duration of this task cannot be shorter than the time logged on this task.