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Dates from WBS Elements
If network activities are assigned to WBS elements and you have entered dates for these WBS elements in time scheduling, the system will consider the WBS element dates to be constraints (such as "not before" or "not later") in scheduling.

On the detail screen for dates you will not be able to tell whether the date comes from the WBS element.
Activity Dates From Other Networks
If the activities have relationships across networks, the dates from the activities in the other networks become fixed dates in scheduling. Refer to the scheduling error log to find out if there are any schedule conflicts.

The system ranks constraints in the following order:
Dates in Subnetworks
The time frame of the superior activity determines the dates of the subnetwork. The dates from the subnetwork are used in scheduling the superior network. The total duration of the subnetwork is not checked against the duration of the activity.

The dates from the subnetwork are not transferred to an activity which is part of overall network scheduling.

In the information system you can analyze the dates of the subnetwork together with the dates of the network.
