We have a task with an assigned resource on a project with Actuals in the past and so a start date in the past as well.
When using the "Autoschedule with Publish" from Gantt then the task's start date is being respected but the resource assigned to this task, which has the Actuals assigned in the past, has now a new start date, equal to today's date or later.
STEPS TO REPRODUCE:
1. Create a project with team, tasks and assigned resources
2. Assign Actuals for a resource on a task, make the start and finish date in the past
3. Open Gantt and do an "Autoschedule with Publish"
After step 3, to see an unchanged start date in the past for both task and resource because there are Actuals assigned in the past.
After step 3, we see the start date unchanged for the task, which is correct, but the start date for the resource has changed to today's date or later.
This is reported as defect DE35497 and resolved in CA PPM 15.4 and CA PPM 188.8.131.52 06 5.