You might receive the error message above when trying to change the password for an SAP user type "B" (System) and "S" (Service) via the GUI.
The initial password for such users are already productive passwords and cannot be changed in SAP. The GUI of Identity Manager should not allow this.
See also KB 265965.
This is a product defect (30956)
This will be fixed on a future release of the product. If you require this immediately corrected, please contact support for a hotfix referencing the defect ID 30956.