You can set lead time (lead time: An overlap between tasks that have a dependency. For example, if a task can start when its predecessor is half-finished, you can specify a finish-to-start dependency with a lead time of 50 percent for its successor [has a negative lag value].) or lag time (lag time: A delay between tasks that have a dependency. For example, if you need a two-day delay between the finish of one task and the start of another, you can establish a finish-to-start dependency and specify a two-day lag time [has a positive value].) for external dependencies (external dependency: A relationship in which the start or finish date of a task depends on a task in another project.) just as you would tasks within the same project.
- On the View menu, click Gantt Chart.
- In the Task Name field, click the task with the external dependency.
- Click Task Information , and then click the Predecessors tab.
- In the Lag field, type the lead time or lag time you want as a duration (duration: The total span of active working time that is required to complete a task. This is generally the amount of working time from the start to finish of a task, as defined by the project and resource calendar.) or as a percentage of the predecessor (predecessor: A task that must start or finish before another task can start or finish.) task's duration.
- To enter lead time, type a negative number or negative percentage, such as -2d for two days of lead time.
- To enter lag time, type a positive number or percentage, such as 50% for half the predecessor task's duration in lag time.
Note If a project contains external dependencies, you can open the other projects and view these dependencies only if each of the linked projects is saved as the same version (version: The default version created when saving a project in Project Server is "Published." Other version names may be defined by your organization. It is next to the project name in the Open from Microsoft Project Server dialog box.) on Microsoft Office Project Server 2003. When you save projects to Project Server 2003 (Project Server: A Project companion product that enables collaborative planning and status reporting among workgroup members, project managers, and other stakeholders by working with and exchanging project information on a Web site.) (including subprojects that have been inserted into master projects), the default version has the "Published" extension. If you cannot open a subproject or project containing an external dependency, you may need to resave the associated projects as the same version. To find a project's version, on the File menu, click Open. Look in the Version column for the project's version.
Note You can quickly add lead or lag time to a successor (successor: A task that cannot start or finish until another task starts or finishes.) task by double-clicking the link line on the Gantt Chart, and then typing the amount of lead or lag time in the Lag box.