Index: Riskeer/Integration/src/Riskeer.Integration.Forms/Views/AssemblyResultTotalView.cs
===================================================================
diff -u -r5af381553a45abd2c97ed1bdedd0f1bce7d8a792 -r1615014575a03b349c8fa4b24890036d811ca15f
--- Riskeer/Integration/src/Riskeer.Integration.Forms/Views/AssemblyResultTotalView.cs	(.../AssemblyResultTotalView.cs)	(revision 5af381553a45abd2c97ed1bdedd0f1bce7d8a792)
+++ Riskeer/Integration/src/Riskeer.Integration.Forms/Views/AssemblyResultTotalView.cs	(.../AssemblyResultTotalView.cs)	(revision 1615014575a03b349c8fa4b24890036d811ca15f)
@@ -99,9 +99,12 @@
             base.OnLoad(e);
 
             InitializeDataGridView();
+
             UpdateAssemblyResultControls();
             UpdateFailureMechanismsCorrelatedCheckBox();
 
+            ResetRefreshAssemblyResultsButton();
+
             dataGridViewControl.CellFormatting += HandleCellStyling;
         }
 
Index: Riskeer/Integration/test/Riskeer.Integration.Forms.Test/Views/AssemblyResultTotalViewTest.cs
===================================================================
diff -u -rccae9df69627ec799cd3abafedb259f9a4e0fc2f -r1615014575a03b349c8fa4b24890036d811ca15f
--- Riskeer/Integration/test/Riskeer.Integration.Forms.Test/Views/AssemblyResultTotalViewTest.cs	(.../AssemblyResultTotalViewTest.cs)	(revision ccae9df69627ec799cd3abafedb259f9a4e0fc2f)
+++ Riskeer/Integration/test/Riskeer.Integration.Forms.Test/Views/AssemblyResultTotalViewTest.cs	(.../AssemblyResultTotalViewTest.cs)	(revision 1615014575a03b349c8fa4b24890036d811ca15f)
@@ -188,6 +188,53 @@
         }
 
         [Test]
+        public void GivenFormWithAssemblyResultTotalViewAndAllCorrelatedFailureMechanismsInAssemblyTrue_ThenRefreshButtonDisabledAndWarningCleared()
+        {
+            // Given
+            AssessmentSection assessmentSection = CreateAssessmentSection();
+            assessmentSection.HeightStructures.InAssembly = true;
+            assessmentSection.GrassCoverErosionInwards.InAssembly = true;
+
+            using (AssemblyResultTotalView view = ShowAssemblyResultTotalView(assessmentSection))
+            {
+                // Precondition
+                bool allCorrelatedFailureMechanismsInAssembly = AssessmentSectionAssemblyHelper.AllCorrelatedFailureMechanismsInAssembly(assessmentSection);
+                Assert.IsTrue(allCorrelatedFailureMechanismsInAssembly);
+
+                // Then
+                ButtonTester buttonTester = GetRefreshAssemblyResultButtonTester();
+                Button refreshButton = buttonTester.Properties;
+                Assert.IsFalse(refreshButton.Enabled);
+
+                ErrorProvider warningProvider = GetWarningProvider(view);
+                Assert.IsEmpty(warningProvider.GetError(refreshButton));
+            }
+        }
+
+        [Test]
+        public void GivenFormWithAssemblyResultTotalViewAndAllCorrelatedFailureMechanismsInAssemblyFalse_ThenRefreshButtonDisabledAndWarningCleared()
+        {
+            // Given
+            AssessmentSection assessmentSection = CreateAssessmentSection();
+            assessmentSection.HeightStructures.InAssembly = false;
+
+            using (AssemblyResultTotalView view = ShowAssemblyResultTotalView(assessmentSection))
+            {
+                // Precondition
+                bool allCorrelatedFailureMechanismsInAssembly = AssessmentSectionAssemblyHelper.AllCorrelatedFailureMechanismsInAssembly(assessmentSection);
+                Assert.IsFalse(allCorrelatedFailureMechanismsInAssembly);
+
+                // Then
+                ButtonTester buttonTester = GetRefreshAssemblyResultButtonTester();
+                Button refreshButton = buttonTester.Properties;
+                Assert.IsFalse(refreshButton.Enabled);
+
+                ErrorProvider warningProvider = GetWarningProvider(view);
+                Assert.IsEmpty(warningProvider.GetError(refreshButton));
+            }
+        }
+
+        [Test]
         public void GivenFormWithAssemblyResultTotalViewAndAllCorrelatedFailureMechanismsInAssemblyFalse_WhenAllCorrelatedFailureMechanismsInAssemblyTrueAndFailureMechanismNotifyObservers_ThenCheckboxVisible()
         {
             // Given