Index: DamClients/DamUI/trunk/src/Dam/Forms/DamPlugin.cs
===================================================================
diff -u -r936 -r1112
--- DamClients/DamUI/trunk/src/Dam/Forms/DamPlugin.cs	(.../DamPlugin.cs)	(revision 936)
+++ DamClients/DamUI/trunk/src/Dam/Forms/DamPlugin.cs	(.../DamPlugin.cs)	(revision 1112)
@@ -143,10 +143,18 @@
             {
                 if (mainForm == null)
                     return 1;
+                if (damProject != null && damProject.DamProjectData != null)
+                {
+                    damProject.DamProjectData.MaxCalculationCores = mainForm.MaxCalculationCores;
+                }
                 return mainForm.MaxCalculationCores;
             }
             set
             {
+                if (damProject != null && damProject.DamProjectData != null)
+                {
+                    damProject.DamProjectData.MaxCalculationCores = value;
+                }
                 if (mainForm != null)
                 {
                     mainForm.MaxCalculationCores = value;