Adding a Task Dependency Relationship

There are two ways that you can create a dependency relationship between tasks.

To create a task dependency relationshipA relationship between two tasks. If a task is completed early or late, this has an effect on the start and end date of the task that succeeds it. between two tasks using the Schedule pane:

1. Hover over the task that you want to create a relationship with.
2. Depending on the type of relationship that you want, drag the circular icon at the start or end of the task block to the circular icon at the start or end of the task that you are creating the relationship with.
   Tip

   

   The tick icon is shown when hovering over the circular icon of a task that you can create a dependency relationship with. This icon is shown where a dependency relationship cannot be created, such as between a parent task and a sub-task.
3. Review and adjust the start and end dates of the tasks in light of the dependency.
4. To save the changes, click Save.

Note

When you create a task dependency relationship in Project Task Gantt, the default lagWhen a depenency relationship between project tasks exists, this term refers to the time gap added at the end of a task before the succeeding task can start. The default lag is 0. time of 0 is applied. When you change the dates of a dependent task, for example by dragging the task bar on the Schedule pane, the dates on the preceding task are not updated in accordance with the dependency rules.

To re-apply dependency rules:

• Select the tasks to which you want to re-apply rules and click Apply Rules.
• Right-click a task and select Apply Dependency Rules.

When you save changes dependency rules are not re-applied.

You cannot create a dependency relationship between a parent task and any other task.

Depending upon the configuration options your administrator has set, the Apply Rules button becomes available when dependency rules need to be re-applied.

To create a task dependency relationshipA relationship between two tasks. If a task is completed early or late, this has an effect on the start and end date of the task that succeeds it. between two tasks using the Task Editor popup:

1. Double-click the task that you want to relate with a previous task in the Schedule pane.
2. Click the Predecessors tab.
3. Click Add New.
4. Select the name of the task on which the selected task is to depend.
5. Select the type of dependency that you want for the relationship. Choose one of the following from the Type drop-down list:
   • Finish to Start (FS)A type of dependency relationship between two project tasks. When a finish to start dependency relationship exists between two project tasks, the second project task in the relationship cannot start until the first project task is complete..
   • Start to Finish (SF)A type of dependency relationship between two project tasks. When a start to finish dependency relationship exists between two project tasks, the second project task in the relationship cannot finish before the first project task starts..
   • Start to Start (SS)A type of dependency relationship between two project tasks. When a start to start dependency relationship exists between two project tasks, the second project task in the relationship cannot start until the first project task starts..
   • Finish to Finish (FF)A type of dependency relationship between two project tasks. When a finish to finish dependency relationship exists between two project tasks, the second project task in the relationship cannot finish until the first project task is complete..
6. If required, enter a lagWhen a depenency relationship between project tasks exists, this term refers to the time gap added at the end of a task before the succeeding task can start. The default lag is 0. time.
   Note

   

   When creating or editing a project task dependency in Project Task Gantt, enter the lag time you want in days. When creating or editing a project task dependency record in Salesforce, enter the lag time you want in multiples of 24 hours. For instance, if you want a lag time of two days and you are editing the project task dependency in Salesforce, enter 48 in the Lag Time (Hours) field. If you are editing the record in Project Task Gantt, enter 2 days in the Lag field.
7. To add more dependency relationships, repeat the steps.
8. Click OK.
9. To save the changes, click Save.

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