diff --git a/bt5/erp5_base/SkinTemplateItem/portal_skins/erp5_base/Delivery_solveDivergenceAutomatically.xml b/bt5/erp5_base/SkinTemplateItem/portal_skins/erp5_base/Delivery_solveDivergenceAutomatically.xml
index d38576394d49ed29a38431df224a1d421b51be4b..2e651df5e491234bf0757c053b777237d03ab898 100644
--- a/bt5/erp5_base/SkinTemplateItem/portal_skins/erp5_base/Delivery_solveDivergenceAutomatically.xml
+++ b/bt5/erp5_base/SkinTemplateItem/portal_skins/erp5_base/Delivery_solveDivergenceAutomatically.xml
@@ -75,11 +75,13 @@ if len(solver_movement_list) > 0:\n
   for solver, simulation_movement in solver_movement_list:\n
     # XXX Do we need grouping here?\n
     # XXX Do we need to split activities for each target solver?\n
-    # XXX We need to calculate and pass default values for some solvers\n
     target_solver = solver_process.newContent(\n
       portal_type=solver.getId(),\n
       delivery=simulation_movement.getRelativeUrl()\n
       )\n
+    # Calculate and pass default values.\n
+    target_solver.updateConfiguration(\n
+        **solver.getDefaultConfigurationPropertyDict(target_solver))\n
   solver_process.solve()\n
 \n
 delivery.updateCausalityState(solve_automatically=False)\n
@@ -147,6 +149,7 @@ delivery.updateCausalityState(solve_automatically=False)\n
                             <string>solver_process</string>
                             <string>solver</string>
                             <string>target_solver</string>
+                            <string>_apply_</string>
                             <string>False</string>
                           </tuple>
                         </value>
diff --git a/bt5/erp5_base/SkinTemplateItem/portal_skins/erp5_base/Solver_getDefaultConfigurationPropertyDict.xml b/bt5/erp5_base/SkinTemplateItem/portal_skins/erp5_base/Solver_getDefaultConfigurationPropertyDict.xml
new file mode 100644
index 0000000000000000000000000000000000000000..84a29d330f4b8f474dd4691c9b73fd86851ccbc6
--- /dev/null
+++ b/bt5/erp5_base/SkinTemplateItem/portal_skins/erp5_base/Solver_getDefaultConfigurationPropertyDict.xml
@@ -0,0 +1,120 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <tuple>
+        <global name="PythonScript" module="Products.PythonScripts.PythonScript"/>
+        <tuple/>
+      </tuple>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>Script_magic</string> </key>
+            <value> <int>3</int> </value>
+        </item>
+        <item>
+            <key> <string>_bind_names</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="NameAssignments" module="Shared.DC.Scripts.Bindings"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>_asgns</string> </key>
+                        <value>
+                          <dictionary>
+                            <item>
+                                <key> <string>name_container</string> </key>
+                                <value> <string>container</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_context</string> </key>
+                                <value> <string>context</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_m_self</string> </key>
+                                <value> <string>script</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_subpath</string> </key>
+                                <value> <string>traverse_subpath</string> </value>
+                            </item>
+                          </dictionary>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>_body</string> </key>
+            <value> <string># This script is just a fall back script returns nothing meaningful.\n
+return {}\n
+</string> </value>
+        </item>
+        <item>
+            <key> <string>_code</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>_params</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>errors</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>func_code</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="FuncCode" module="Shared.DC.Scripts.Signature"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>co_argcount</string> </key>
+                        <value> <int>0</int> </value>
+                    </item>
+                    <item>
+                        <key> <string>co_varnames</string> </key>
+                        <value>
+                          <tuple/>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>func_defaults</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>Solver_getDefaultConfigurationPropertyDict</string> </value>
+        </item>
+        <item>
+            <key> <string>warnings</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/bt5/erp5_base/SkinTemplateItem/portal_skins/erp5_base/Solver_getDefaultConfigurationPropertyListDict.xml b/bt5/erp5_base/SkinTemplateItem/portal_skins/erp5_base/Solver_getDefaultConfigurationPropertyListDict.xml
new file mode 100644
index 0000000000000000000000000000000000000000..1cb951c6cf25d047815e173e9fc3945f254dc785
--- /dev/null
+++ b/bt5/erp5_base/SkinTemplateItem/portal_skins/erp5_base/Solver_getDefaultConfigurationPropertyListDict.xml
@@ -0,0 +1,120 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <tuple>
+        <global name="PythonScript" module="Products.PythonScripts.PythonScript"/>
+        <tuple/>
+      </tuple>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>Script_magic</string> </key>
+            <value> <int>3</int> </value>
+        </item>
+        <item>
+            <key> <string>_bind_names</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="NameAssignments" module="Shared.DC.Scripts.Bindings"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>_asgns</string> </key>
+                        <value>
+                          <dictionary>
+                            <item>
+                                <key> <string>name_container</string> </key>
+                                <value> <string>container</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_context</string> </key>
+                                <value> <string>context</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_m_self</string> </key>
+                                <value> <string>script</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_subpath</string> </key>
+                                <value> <string>traverse_subpath</string> </value>
+                            </item>
+                          </dictionary>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>_body</string> </key>
+            <value> <string># This script is just a fall back script returns nothing meaningful.\n
+return {}\n
+</string> </value>
+        </item>
+        <item>
+            <key> <string>_code</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>_params</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>errors</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>func_code</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="FuncCode" module="Shared.DC.Scripts.Signature"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>co_argcount</string> </key>
+                        <value> <int>0</int> </value>
+                    </item>
+                    <item>
+                        <key> <string>co_varnames</string> </key>
+                        <value>
+                          <tuple/>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>func_defaults</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>Solver_getDefaultConfigurationPropertyListDict</string> </value>
+        </item>
+        <item>
+            <key> <string>warnings</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/delivery_causality_workflow/scripts/Workflow_solveDivergenceAutomatically.xml b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/delivery_causality_workflow/scripts/Workflow_solveDivergenceAutomatically.xml
index da910fbb99ba4e389c7b762136394f241b318019..39a65a06e4ebec113fb4d0a184414f0400bbcdfd 100644
--- a/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/delivery_causality_workflow/scripts/Workflow_solveDivergenceAutomatically.xml
+++ b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/delivery_causality_workflow/scripts/Workflow_solveDivergenceAutomatically.xml
@@ -109,16 +109,15 @@ else:\n
                           <tuple>
                             <string>state_change</string>
                             <string>_getitem_</string>
-                            <string>state_change</string>
                             <string>delivery</string>
-                            <string>getattr</string>
                             <string>_getattr_</string>
-                            <string>None</string>
                             <string>portal</string>
+                            <string>getattr</string>
+                            <string>None</string>
                             <string>solver_tool</string>
                             <string>solver_process_tool</string>
                             <string>activate_kw</string>
-                            <string>False</string>
+                            <string>_apply_</string>
                           </tuple>
                         </value>
                     </item>
diff --git a/bt5/erp5_base/bt/change_log b/bt5/erp5_base/bt/change_log
index 0dbdc182fed1e6d38f821291c343aa8b8929b13b..e389e291d303c73272c7a31bb56cf943889f36e1 100644
--- a/bt5/erp5_base/bt/change_log
+++ b/bt5/erp5_base/bt/change_log
@@ -1,3 +1,7 @@
+2010-06-30 kazuhiko
+* Calculate and pass default values to automatic solvers.
+* Add fallback scripts for target solvers' default configuration values.
+
 2010-06-29 kazuhiko
 * Move portal_solvers and portal_solver_processes from the experimental erp5_simulation business template to the erp5_base business template.
 
diff --git a/bt5/erp5_base/bt/revision b/bt5/erp5_base/bt/revision
index 17863f9c517816f36137e0d362ea558df53cde00..d0af645045d096707d6e694c9e18670b58def552 100644
--- a/bt5/erp5_base/bt/revision
+++ b/bt5/erp5_base/bt/revision
@@ -1 +1 @@
-782
\ No newline at end of file
+783
\ No newline at end of file