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WBS top level Schedule dates

Former Member
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Hellow all,

my scenario:

1. WBS determines dates

2. Method: free scheduling

3. 2 levels hierarchy of WBS's

4. Basic dates are maintained at WBS top level (only)

5. One network header assigned to WBS top level

6. Activities network are assigned to WBS's level 2

now for the question:

When I schedule the project, I expected that behavior system will agregate activity schedule dates to WBS top level, actually, only WBS's level 2 (that the activities are assigned to) agregates the scheduling dates from their relevant activities. In the scheduling dates of top WBS it seems that the result are the same as basic dates.

can anyone please explain me the rationale that stand behind this behavior? is it possible to configure the system so that WBS top level will agregate in schedulind dates results,  all activities that assigned to WBS's level 2?

Graphic explanation at the attached file.

thank in advance,

Best regards,

Nir

Accepted Solutions (1)

Accepted Solutions (1)

former_member203098
Active Contributor
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Hi Nir,

Configure the scheduling setting in the system as below

1. Wbs sched.prof : backward

2. Sched. scenario : Bottom-up scenario

3. Plan.meth/basic : strict bottom up.

after these settings schedule the project, you can see the dates from activities in project definition and wbs elements.

Thanks,


Former Member
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Hi Nag,

thanks for your reply, however, bottom up overrite the WBS  basic dates and this is against the needs of my customer.

I think that in free scheduling and also top down it should be agregating, maby this behavior relate to the principle that the activities are assigned to more then one WBS. I will be glad if somebody have the answer....

Former Member
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You need to change the settings to:

1.  Network determines dates

2.  Strict Bottom Up Planning

Check OPTQ (WBS Scheduling Parameters) make sure it is set to Network determines dates, Adjust Basic date and Auto Log are on.

In the project profile set the Calculate with Activities to 1

Former Member
0 Kudos

Thanks Ken,

Probably I didn't explain myself very well...

I excpect the schduling dates to agregate to the WBS top level and not the basic dates.

In SAP help I have noticed the following paragraph:

Scheduling the Work Breakdown Structure

Use

You can schedule a project or a sub-hierarchy of the project with all activities assigned to it.

  • The WBS element basic dates are used as the basic dates for scheduling the activities (presuming you have set the WBS determines dates indicator.

  • If a network has activities, which are not all assigned to the same WBS element, the system treats these activities as external networks in scheduling.

Please note the section I bolded,I don't understand what SAP means with "the system treats these activities as external networks in scheduling". I assume that there is a connection to the fact that in my scenario the network header assigned to WBS top level, and its activities are assigned to more then one WBS's level 2.

Can anyone explain this issue?

Answers (0)