diff --git a/src/DynamoCoreWpf/Properties/Resources.Designer.cs b/src/DynamoCoreWpf/Properties/Resources.Designer.cs
index 04bfc64933e..3ba77a767e5 100644
--- a/src/DynamoCoreWpf/Properties/Resources.Designer.cs
+++ b/src/DynamoCoreWpf/Properties/Resources.Designer.cs
@@ -6567,6 +6567,15 @@ public static string PackageManagerNoInstalledPackagesSubMessage {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Enable Network Mode to be able to use Package Manager..
+        /// </summary>
+        public static string PackageManagerNoNetworkModeToolTip {
+            get {
+                return ResourceManager.GetString("PackageManagerNoNetworkModeToolTip", resourceCulture);
+            }
+        }
+
         /// <summary>
         ///   Looks up a localized string similar to No validation errors.
         /// </summary>
diff --git a/src/DynamoCoreWpf/Properties/Resources.en-US.resx b/src/DynamoCoreWpf/Properties/Resources.en-US.resx
index 5f45b505dd9..490fa9abe00 100644
--- a/src/DynamoCoreWpf/Properties/Resources.en-US.resx
+++ b/src/DynamoCoreWpf/Properties/Resources.en-US.resx
@@ -154,6 +154,9 @@
   <data name="SignInOfflineButtonContentToolTip" xml:space="preserve">
     <value>Enable Network Mode to be able to sign in.</value>
   </data>
+  <data name="PackageManagerNoNetworkModeToolTip" xml:space="preserve">
+    <value>Enable Network Mode to be able to use Package Manager.</value>
+  </data>
   <data name="Autodesk360SignInButtonTitleToolTip" xml:space="preserve">
     <value>Autodesk A360</value>
   </data>
diff --git a/src/DynamoCoreWpf/Properties/Resources.resx b/src/DynamoCoreWpf/Properties/Resources.resx
index 29ddf57ce0e..04c01d914bb 100644
--- a/src/DynamoCoreWpf/Properties/Resources.resx
+++ b/src/DynamoCoreWpf/Properties/Resources.resx
@@ -2147,6 +2147,9 @@ Do you want to install the latest Dynamo update?</value>
   <data name="SignInOfflineButtonContentToolTip" xml:space="preserve">
     <value>Enable Network Mode to be able to sign in.</value>
   </data>
+  <data name="PackageManagerNoNetworkModeToolTip" xml:space="preserve">
+    <value>Enable Network Mode to be able to use Package Manager.</value>
+  </data>
   <data name="Autodesk360SignInButtonTitleToolTip" xml:space="preserve">
     <value>Autodesk A360</value>
   </data>
diff --git a/src/DynamoCoreWpf/Views/Core/DynamoView.xaml b/src/DynamoCoreWpf/Views/Core/DynamoView.xaml
index e7e3b3d9d05..b4c22a43243 100644
--- a/src/DynamoCoreWpf/Views/Core/DynamoView.xaml
+++ b/src/DynamoCoreWpf/Views/Core/DynamoView.xaml
@@ -615,13 +615,64 @@
                               IsEnabled="True">
                         <MenuItem Name="publishSelected"
                                   Command="{Binding Path=DataContext.PublishSelectedNodesCommand, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type controls:DynamoView}}}"
-                                  Header="{x:Static p:Resources.DynamoViewPackageMenuPublishNodes}" />
+                                  Header="{x:Static p:Resources.DynamoViewPackageMenuPublishNodes}"
+                                  ToolTipService.ShowOnDisabled="True">
+                            <MenuItem.ToolTip>
+                                <ToolTip>
+                                    <ToolTip.Style>
+                                        <Style TargetType="ToolTip" BasedOn="{StaticResource GenericToolTipLight}">
+                                            <Setter Property="Visibility" Value="Collapsed" />
+                                            <Style.Triggers>
+                                                <DataTrigger Binding="{Binding PlacementTarget.IsEnabled, RelativeSource={RelativeSource Self}}" Value="False">
+                                                    <Setter Property="Visibility" Value="Visible" />
+                                                    <Setter Property="Content" Value="{x:Static p:Resources.PackageManagerNoNetworkModeToolTip}" />
+                                                </DataTrigger>
+                                            </Style.Triggers>
+                                        </Style>
+                                    </ToolTip.Style>
+                                </ToolTip>
+                            </MenuItem.ToolTip>
+                        </MenuItem>
                         <MenuItem Name="publishCurrent"
                                   Command="{Binding Path=DataContext.PublishCurrentWorkspaceCommand, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type controls:DynamoView}}}"
-                                  Header="{x:Static p:Resources.DynamoViewPackageMenuPublishWorkspace}" />
+                                  Header="{x:Static p:Resources.DynamoViewPackageMenuPublishWorkspace}"
+                                  ToolTipService.ShowOnDisabled="True">
+                            <MenuItem.ToolTip>
+                                <ToolTip>
+                                    <ToolTip.Style>
+                                        <Style TargetType="ToolTip" BasedOn="{StaticResource GenericToolTipLight}">
+                                            <Setter Property="Visibility" Value="Collapsed" />
+                                            <Style.Triggers>
+                                                <DataTrigger Binding="{Binding PlacementTarget.IsEnabled, RelativeSource={RelativeSource Self}}" Value="False">
+                                                    <Setter Property="Visibility" Value="Visible" />
+                                                    <Setter Property="Content" Value="{x:Static p:Resources.PackageManagerNoNetworkModeToolTip}" />
+                                                </DataTrigger>
+                                            </Style.Triggers>
+                                        </Style>
+                                    </ToolTip.Style>
+                                </ToolTip>
+                            </MenuItem.ToolTip>
+                        </MenuItem>
                         <MenuItem Name="showPM"
                                   Command="{Binding Path=DataContext.ShowPackageManagerCommand, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type controls:DynamoView}}}"
-                                  Header="{x:Static p:Resources.DynamoViewPackageMenuPackageManager}" />
+                                  Header="{x:Static p:Resources.DynamoViewPackageMenuPackageManager}"
+                                  ToolTipService.ShowOnDisabled="True">
+                            <MenuItem.ToolTip>
+                                <ToolTip>
+                                    <ToolTip.Style>
+                                        <Style TargetType="ToolTip" BasedOn="{StaticResource GenericToolTipLight}">
+                                            <Setter Property="Visibility" Value="Collapsed" />
+                                            <Style.Triggers>
+                                                <DataTrigger Binding="{Binding PlacementTarget.IsEnabled, RelativeSource={RelativeSource Self}}" Value="False">
+                                                    <Setter Property="Visibility" Value="Visible" />
+                                                    <Setter Property="Content" Value="{x:Static p:Resources.PackageManagerNoNetworkModeToolTip}" />
+                                                </DataTrigger>
+                                            </Style.Triggers>
+                                        </Style>
+                                    </ToolTip.Style>
+                                </ToolTip>
+                            </MenuItem.ToolTip>
+                        </MenuItem>
                     </MenuItem>
 
                     <MenuItem Name="HelpMenu"
diff --git a/src/DynamoCoreWpf/Views/Core/WorkspaceView.xaml b/src/DynamoCoreWpf/Views/Core/WorkspaceView.xaml
index f6fbe732e38..d1c057c0782 100644
--- a/src/DynamoCoreWpf/Views/Core/WorkspaceView.xaml
+++ b/src/DynamoCoreWpf/Views/Core/WorkspaceView.xaml
@@ -755,7 +755,24 @@
                     <MenuItem Name="Publish"
                               Command="{Binding DynamoViewModel.PublishCurrentWorkspaceCommand}"
                               Header="{x:Static p:Resources.ContextMenuPublishCustomNode}"
-                              Visibility="{Binding Path=IsHomeSpace, Converter={StaticResource InverseBoolToVisibilityCollapsedConverter}}" />
+                              ToolTipService.ShowOnDisabled="True"
+                              Visibility="{Binding Path=IsHomeSpace, Converter={StaticResource InverseBoolToVisibilityCollapsedConverter}}">
+                        <MenuItem.ToolTip>
+                            <ToolTip>
+                                <ToolTip.Style>
+                                    <Style TargetType="ToolTip" BasedOn="{StaticResource GenericToolTipLight}">
+                                        <Setter Property="Visibility" Value="Collapsed" />
+                                        <Style.Triggers>
+                                            <DataTrigger Binding="{Binding PlacementTarget.IsEnabled, RelativeSource={RelativeSource Self}}" Value="False">
+                                                <Setter Property="Visibility" Value="Visible" />
+                                                <Setter Property="Content" Value="{x:Static p:Resources.PackageManagerNoNetworkModeToolTip}" />
+                                            </DataTrigger>
+                                        </Style.Triggers>
+                                    </Style>
+                                </ToolTip.Style>
+                            </ToolTip>
+                        </MenuItem.ToolTip>
+                    </MenuItem>
 
                     <Separator />
 
diff --git a/src/WorkspaceDependencyViewExtension/Properties/Resources.Designer.cs b/src/WorkspaceDependencyViewExtension/Properties/Resources.Designer.cs
index 4328fb2b106..58ffc336b8d 100644
--- a/src/WorkspaceDependencyViewExtension/Properties/Resources.Designer.cs
+++ b/src/WorkspaceDependencyViewExtension/Properties/Resources.Designer.cs
@@ -201,6 +201,15 @@ public static System.Drawing.Bitmap ImageIcon {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Enable Network Mode to be able to install packages..
+        /// </summary>
+        public static string InstallButtonNoNetworkModeToolTip {
+            get {
+                return ResourceManager.GetString("InstallButtonNoNetworkModeToolTip", resourceCulture);
+            }
+        }
+
         /// <summary>
         ///   Looks up a localized string similar to Install Specified Version.
         /// </summary>
diff --git a/src/WorkspaceDependencyViewExtension/Properties/Resources.en-US.resx b/src/WorkspaceDependencyViewExtension/Properties/Resources.en-US.resx
index eef28c6f12c..521a69b4974 100644
--- a/src/WorkspaceDependencyViewExtension/Properties/Resources.en-US.resx
+++ b/src/WorkspaceDependencyViewExtension/Properties/Resources.en-US.resx
@@ -225,6 +225,9 @@
   <data name="InstallButtonText" xml:space="preserve">
     <value>Install Specified Version</value>
   </data>
+  <data name="InstallButtonNoNetworkModeToolTip" xml:space="preserve">
+    <value>Enable Network Mode to be able to install packages.</value>
+  </data>
   <data name="JsonIcon" type="System.Drawing.Bitmap, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
     <value>
         iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAYAAADgdz34AAAABGdBTUEAALGPC/xhBQAAAAlwSFlzAAAL
diff --git a/src/WorkspaceDependencyViewExtension/Properties/Resources.resx b/src/WorkspaceDependencyViewExtension/Properties/Resources.resx
index eef28c6f12c..521a69b4974 100644
--- a/src/WorkspaceDependencyViewExtension/Properties/Resources.resx
+++ b/src/WorkspaceDependencyViewExtension/Properties/Resources.resx
@@ -225,6 +225,9 @@
   <data name="InstallButtonText" xml:space="preserve">
     <value>Install Specified Version</value>
   </data>
+  <data name="InstallButtonNoNetworkModeToolTip" xml:space="preserve">
+    <value>Enable Network Mode to be able to install packages.</value>
+  </data>
   <data name="JsonIcon" type="System.Drawing.Bitmap, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
     <value>
         iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAYAAADgdz34AAAABGdBTUEAALGPC/xhBQAAAAlwSFlzAAAL
diff --git a/src/WorkspaceDependencyViewExtension/WorkspaceDependencyView.xaml b/src/WorkspaceDependencyViewExtension/WorkspaceDependencyView.xaml
index 2735f15c03f..43711726195 100644
--- a/src/WorkspaceDependencyViewExtension/WorkspaceDependencyView.xaml
+++ b/src/WorkspaceDependencyViewExtension/WorkspaceDependencyView.xaml
@@ -247,12 +247,37 @@
                                 FontSize="11">
                             </TextBlock>
                             <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
-                                <Button Style="{StaticResource SmallTextButton}"
-                                    Visibility="{Binding Path=ShowDownloadButton, Converter={StaticResource BoolToVis}}"
+                                <Button Visibility="{Binding Path=ShowDownloadButton, Converter={StaticResource BoolToVis}}"
                                     Name="DownloadPackageButton"
                                     Click="DownloadPackage"
                                     Margin="10"
-                                    Content="{x:Static w:Resources.InstallButtonText}"/>
+                                    Content="{x:Static w:Resources.InstallButtonText}"
+                                    ToolTipService.ShowOnDisabled="True">
+                                    <Button.Style>
+                                        <Style TargetType="Button" BasedOn="{StaticResource SmallTextButton}">
+                                            <Style.Triggers>
+                                                <DataTrigger Binding="{Binding NoNetworkMode, RelativeSource={RelativeSource AncestorType={x:Type UserControl}}}" Value="True">
+                                                    <Setter Property="IsEnabled" Value="False" />
+                                                </DataTrigger>
+                                            </Style.Triggers>
+                                        </Style>
+                                    </Button.Style>
+                                    <Button.ToolTip>
+                                        <ToolTip>
+                                            <ToolTip.Style>
+                                                <Style TargetType="ToolTip" BasedOn="{StaticResource GenericToolTipLight}">
+                                                    <Setter Property="Visibility" Value="Collapsed" />
+                                                    <Style.Triggers>
+                                                        <DataTrigger Binding="{Binding PlacementTarget.IsEnabled, RelativeSource={RelativeSource Self}}" Value="False">
+                                                            <Setter Property="Visibility" Value="Visible" />
+                                                            <Setter Property="Content" Value="{x:Static w:Resources.InstallButtonNoNetworkModeToolTip}" />
+                                                        </DataTrigger>
+                                                    </Style.Triggers>
+                                                </Style>
+                                            </ToolTip.Style>
+                                        </ToolTip>
+                                    </Button.ToolTip>
+                                </Button>
                                 <Button Style="{StaticResource SmallTextButton}"
                                     Visibility="{Binding Path=ShowKeepLocalButton, Converter={StaticResource BoolToVis}}"
                                     Name="KeepLocalPackageButton"
diff --git a/src/WorkspaceDependencyViewExtension/WorkspaceDependencyView.xaml.cs b/src/WorkspaceDependencyViewExtension/WorkspaceDependencyView.xaml.cs
index 3e57591add0..8dfea7230b5 100644
--- a/src/WorkspaceDependencyViewExtension/WorkspaceDependencyView.xaml.cs
+++ b/src/WorkspaceDependencyViewExtension/WorkspaceDependencyView.xaml.cs
@@ -36,6 +36,13 @@ public partial class WorkspaceDependencyView : UserControl, IDisposable
 
         private readonly IPackageInstaller packageInstaller;
 
+        /// <summary>
+        /// Indicates whether Dynamo was started in no-network mode. When true, the
+        /// Install Specified Version button in this extension is disabled and shows
+        /// a tooltip explaining that Network Mode must be enabled to install packages.
+        /// </summary>
+        public bool NoNetworkMode { get; private set; }
+
         private Boolean hasDependencyIssue = false;
 
         /// <summary>
@@ -149,6 +156,7 @@ public WorkspaceDependencyView(WorkspaceDependencyViewExtension viewExtension, V
             currentWorkspace.PropertyChanged += OnWorkspacePropertyChanged;
             loadedParams = p;
             packageInstaller = p.PackageInstaller;
+            NoNetworkMode = p.StartupParams.NoNetworkMode;
             dependencyViewExtension = viewExtension;
             HomeWorkspaceModel.WorkspaceClosed += this.CloseExtensionTab;
         }
diff --git a/test/DynamoCoreWpf2Tests/PackageManager/PackageManagerUnitTests.cs b/test/DynamoCoreWpf2Tests/PackageManager/PackageManagerUnitTests.cs
index b30c5417500..a46366f7b0a 100644
--- a/test/DynamoCoreWpf2Tests/PackageManager/PackageManagerUnitTests.cs
+++ b/test/DynamoCoreWpf2Tests/PackageManager/PackageManagerUnitTests.cs
@@ -1,5 +1,6 @@
 using Dynamo;
 using Dynamo.PackageManager;
+using Dynamo.Wpf.Properties;
 using NUnit.Framework;
 
 namespace DynamoCoreWpfTests.PackageManager
@@ -36,5 +37,14 @@ public void ReturnsSameAsInputForUnknownMessages()
         }
 
         #endregion
+
+        // The disabled-state tooltip on the Packages menu items in DynamoView.xaml
+        // binds to this resource key via {x:Static p:Resources.PackageManagerNoNetworkModeToolTip}.
+        // If the key is dropped from the .resx, the XAML still parses but hover shows nothing.
+        [Test]
+        public void WhenNoNetworkModeTooltipResourceRequestedThenItResolvesToNonEmpty()
+        {
+            Assert.IsFalse(string.IsNullOrWhiteSpace(Resources.PackageManagerNoNetworkModeToolTip));
+        }
     }
 }
diff --git a/test/DynamoCoreWpf2Tests/ViewExtensions/WorkspaceDependencyViewExtensionTests.cs b/test/DynamoCoreWpf2Tests/ViewExtensions/WorkspaceDependencyViewExtensionTests.cs
index 133a7a42ec8..bbce32cb119 100644
--- a/test/DynamoCoreWpf2Tests/ViewExtensions/WorkspaceDependencyViewExtensionTests.cs
+++ b/test/DynamoCoreWpf2Tests/ViewExtensions/WorkspaceDependencyViewExtensionTests.cs
@@ -344,7 +344,7 @@ public void VerifyExternalFileReferences()
         [Test]
         public void GetExternalFilesShouldBailIfGraphExecuting()
         {
-            // Open test file to verify the external file references are not computed when RunEnabled is false. 
+            // Open test file to verify the external file references are not computed when RunEnabled is false.
             var examplePath = Path.Combine(@"core\ExternalReferencesTest.dyn");
             Open(examplePath);
             (Model.CurrentWorkspace as HomeWorkspaceModel).RunSettings.RunEnabled = false;
@@ -356,5 +356,51 @@ public void GetExternalFilesShouldBailIfGraphExecuting()
             results = Model.CurrentWorkspace.ExternalFiles;
             Assert.AreEqual(2, results.Count());
         }
+
+        // The disabled-state tooltip on the Install Specified Version button in
+        // WorkspaceDependencyView.xaml binds to this resource key. If the key is dropped
+        // from the .resx, the XAML still parses but hover shows nothing.
+        [Test]
+        public void WhenInstallButtonResourceStringRequestedThenItResolvesToNonEmpty()
+        {
+            Assert.IsFalse(string.IsNullOrWhiteSpace(Resources.InstallButtonNoNetworkModeToolTip));
+        }
+    }
+
+    [TestFixture]
+    public class WorkspaceDependencyViewExtensionNoNetworkModeTests : DynamoTestUIBase
+    {
+        private WorkspaceDependencyViewExtension viewExtension = new WorkspaceDependencyViewExtension();
+
+        protected override DynamoModel.IStartConfiguration CreateStartConfiguration(IPathResolver pathResolver)
+        {
+            return new DynamoModel.DefaultStartConfiguration()
+            {
+                PathResolver = pathResolver,
+                StartInTestMode = true,
+                NoNetworkMode = true,
+                GeometryFactoryPath = preloader.GeometryFactoryPath,
+                ProcessMode = TaskProcessMode.Synchronous
+            };
+        }
+
+        // NoNetworkMode on the view is what drives the XAML DataTrigger that disables the
+        // Install Specified Version button. Asserting the property directly is intentional:
+        // WPF triggers do not fire until the visual tree is fully realized, which is not
+        // guaranteed in a headless NUnit run.
+        [Test]
+        public void WhenNoNetworkModeThenWorkspaceReferencesInstallButtonIsDisabled()
+        {
+            RaiseLoadedEvent(this.View);
+            var extensionManager = View.viewExtensionManager;
+            extensionManager.Add(viewExtension);
+
+            var loadedParams = new ViewLoadedParams(View, ViewModel);
+            viewExtension.pmExtension = this.Model.ExtensionManager.Extensions.OfType<PackageManagerExtension>().FirstOrDefault();
+            viewExtension.Loaded(loadedParams);
+
+            Assert.IsTrue(loadedParams.StartupParams.NoNetworkMode);
+            Assert.IsTrue(viewExtension.DependencyView.NoNetworkMode);
+        }
     }
 }