How to Level Resources in Primavera P6 resources
Choose Tools, Level Resources.
Mark the Consider Assignments in Other Projects With Priority Equal/Higher Than checkbox and specify a priority number if you want to consider other project assignments when determining whether a resource is overallocated.
Mark the Preserve Scheduled Early and Late Dates checkbox to preserve the early and late dates that were calculated during project scheduling.
Mark the Level All Resources checkbox to level all the resources within the project. To level specific resources, clear the Level All Resources checkbox and click Select Resources to choose the resources that you want to include in the leveling run.
Specify leveling priorities.
Mark the Log to File checkbox to record your leveling results in a log file, then click to specify a filename and location.
To display and/or use the defaults, click Default.
Resources curves in Primavera P6 are not used when leveling.
A Resource assigned to a suspended activity is considered available for assignment to other activities until the resume date of the suspended activity.