Update Cost Totals is Not Working as Expected After Upgrade

Document ID : KB000097846
Last Modified Date : 30/05/2018
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Question:
Update Cost Totals is not working as expected in PPM 15.3 as compared to PPM 14.3. In  PPM 14.3, when we assigned a resource/role to a task and then clicked on 'Update Cost Totals' on the Actions drop down menu, the ETC Cost would update as expected. In PPM 14.3, we also noticed that the NBI_PROJ_RES_RATES_AND_COSTS table was updated as soon as the resource/role was assigned to the task.
Now in PPM 15.3, the same steps do not update the ETC Cost or the NBI_PROJ_RES_RATES_AND_COSTS table. 

Were there any change to this process? 
Environment:
CA PPM 15.2 and later releases
Answer:
Starting on PPM 15.2, the on-the-fly setting will be disabled by default. This means that any upgrade to either PPM 15.2 or later will disable this setting. This was done to help/prevent a defect that was reported on the PPM 15.1 release where this setting being enabled would cause performance with the Post Timesheet job, especially when processing a large number of timesheets (DE31729 : Post Timesheets slow due to on-the-fly).

The setting can be re-enabled from the Health Report in the UI: 
1. Click on the Administration menu 
2. Click on the Health Report link 
3. Go to the Application tab 
4. Look for the ' On-the-fly RateMatrix' item, and click on the 'Enable' link on the Status column 

 
Additional Information:
For additional details regarding DE31729, see KB000005886.