diff --git a/ChangeLog b/ChangeLog
index e170a8ac4..4bff49dc8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -6,6 +6,7 @@ Bug fixes:
 Enhancements:
 - #7068 Add Synergy restart when settings changed
 - #7072 Ability to run synergy as a pre-login agent
+- #7074 Add Synergy restart when server settings changed
 ===========
 
 v1.14.1-rc
diff --git a/src/gui/src/Action.cpp b/src/gui/src/Action.cpp
index 0fdbed18a..84299fdd6 100644
--- a/src/gui/src/Action.cpp
+++ b/src/gui/src/Action.cpp
@@ -143,6 +143,19 @@ void Action::saveSettings(QSettings& settings) const
     settings.setValue("restartServer", restartServer());
 }
 
+bool Action::operator==(const Action& a) const
+{
+    return m_KeySequence      == a.m_KeySequence      &&
+           m_Type             == a.m_Type             &&
+           m_TypeScreenNames  == a.m_TypeScreenNames  &&
+           m_SwitchScreenName == a.m_SwitchScreenName &&
+           m_SwitchDirection  == a.m_SwitchDirection  &&
+           m_LockCursorMode   == a.m_LockCursorMode   &&
+           m_ActiveOnRelease  == a.m_ActiveOnRelease  &&
+           m_HasScreens       == a.m_HasScreens       &&
+           m_restartServer    == a.m_restartServer;
+}
+
 QTextStream& operator<<(QTextStream& outStream, const Action& action)
 {
     if (action.activeOnRelease())
diff --git a/src/gui/src/Action.h b/src/gui/src/Action.h
index 6917233c9..154f3c43b 100644
--- a/src/gui/src/Action.h
+++ b/src/gui/src/Action.h
@@ -77,6 +77,8 @@ class Action
         bool haveScreens() const { return m_HasScreens; }
         bool restartServer() const { return m_restartServer; }
 
+        bool operator==(const Action& a) const;
+
     protected:
         KeySequence& keySequence() { return m_KeySequence; }
         void setKeySequence(const KeySequence& seq) { m_KeySequence = seq; }
diff --git a/src/gui/src/Hotkey.cpp b/src/gui/src/Hotkey.cpp
index d2234130a..f711e84c6 100644
--- a/src/gui/src/Hotkey.cpp
+++ b/src/gui/src/Hotkey.cpp
@@ -66,6 +66,11 @@ void Hotkey::saveSettings(QSettings& settings) const
     settings.endArray();
 }
 
+bool Hotkey::operator==(const Hotkey& hk) const
+{
+    return m_KeySequence == hk.m_KeySequence && m_Actions == hk.m_Actions;
+}
+
 QTextStream& operator<<(QTextStream& outStream, const Hotkey& hotkey)
 {
     for (int i = 0; i < hotkey.actions().size(); i++)
diff --git a/src/gui/src/Hotkey.h b/src/gui/src/Hotkey.h
index cc32a432b..8d4e4813c 100644
--- a/src/gui/src/Hotkey.h
+++ b/src/gui/src/Hotkey.h
@@ -48,6 +48,8 @@ class Hotkey
         void loadSettings(QSettings& settings);
         void saveSettings(QSettings& settings) const;
 
+        bool operator==(const Hotkey& hk) const;
+
     protected:
         KeySequence& keySequence() { return m_KeySequence; }
         void setKeySequence(const KeySequence& seq) { m_KeySequence = seq; }
diff --git a/src/gui/src/KeySequence.cpp b/src/gui/src/KeySequence.cpp
index 8783609d7..64a2d4905 100644
--- a/src/gui/src/KeySequence.cpp
+++ b/src/gui/src/KeySequence.cpp
@@ -235,3 +235,10 @@ QString KeySequence::keyToString(int key)
     // give up, synergy probably won't handle this
     return "";
 }
+
+bool KeySequence::operator==(const KeySequence& ks) const
+{
+    return m_Sequence  == ks.m_Sequence  &&
+           m_Modifiers == ks.m_Modifiers &&
+           m_IsValid   == ks.m_IsValid;
+}
diff --git a/src/gui/src/KeySequence.h b/src/gui/src/KeySequence.h
index 79f49c3a2..aadc7a3c5 100644
--- a/src/gui/src/KeySequence.h
+++ b/src/gui/src/KeySequence.h
@@ -41,6 +41,8 @@ class KeySequence
         void loadSettings(QSettings& settings);
         const QList<int>& sequence() const { return m_Sequence; }
 
+        bool operator==(const KeySequence& ks) const;
+
     private:
         void setValid(bool b) { m_IsValid = b; }
         void setModifiers(int i) { m_Modifiers = i; }
diff --git a/src/gui/src/MainWindow.cpp b/src/gui/src/MainWindow.cpp
index 4c3458093..723e35fb4 100644
--- a/src/gui/src/MainWindow.cpp
+++ b/src/gui/src/MainWindow.cpp
@@ -1355,7 +1355,14 @@ void MainWindow::showConfigureServer(const QString& message)
 {
     ServerConfigDialog dlg(this, serverConfig());
     dlg.message(message);
-    dlg.exec();
+    auto result = dlg.exec();
+
+    if(result == QDialog::Accepted) {
+        auto state = synergyState();
+        if ((state == synergyConnected) || (state == synergyConnecting) || (state == synergyListening)) {
+            restartSynergy();
+        }
+    }
 }
 
 void MainWindow::on_m_pButtonConfigureServer_clicked()
diff --git a/src/gui/src/Screen.cpp b/src/gui/src/Screen.cpp
index c24129c92..cb35f993b 100644
--- a/src/gui/src/Screen.cpp
+++ b/src/gui/src/Screen.cpp
@@ -122,6 +122,19 @@ QTextStream& Screen::writeAliasesSection(QTextStream& outStream) const
     return outStream;
 }
 
+bool Screen::operator==(const Screen& screen) const
+{
+    return m_Pixmap           == screen.m_Pixmap           &&
+           m_Name             == screen.m_Name             &&
+           m_Aliases          == screen.m_Aliases          &&
+           m_Modifiers        == screen.m_Modifiers        &&
+           m_SwitchCorners    == screen.m_SwitchCorners    &&
+           m_SwitchCornerSize == screen.m_SwitchCornerSize &&
+           m_Fixes            == screen.m_Fixes            &&
+           m_Swapped          == screen.m_Swapped          &&
+           m_isServer         == screen.m_isServer;
+}
+
 QDataStream& operator<<(QDataStream& outStream, const Screen& screen)
 {
     return outStream
diff --git a/src/gui/src/Screen.h b/src/gui/src/Screen.h
index a24159a4a..85beb44cf 100644
--- a/src/gui/src/Screen.h
+++ b/src/gui/src/Screen.h
@@ -69,6 +69,8 @@ class Screen : public BaseConfig
         bool isServer() const { return m_isServer;}
         void markAsServer() { m_isServer = true; }
 
+        bool operator==(const Screen& screen) const;
+
     protected:
         void init();
         QPixmap* pixmap() { return &m_Pixmap; }
diff --git a/src/gui/src/ScreenList.cpp b/src/gui/src/ScreenList.cpp
index be9a8f175..5ff2cfeca 100644
--- a/src/gui/src/ScreenList.cpp
+++ b/src/gui/src/ScreenList.cpp
@@ -125,3 +125,8 @@ void ScreenList::addScreenToFirstEmpty(const Screen& newScreen)
     }
 }
 
+bool ScreenList::operator==(const ScreenList& sc) const
+{
+    return m_width == sc.m_width && QList::operator==(sc);
+}
+
diff --git a/src/gui/src/ScreenList.h b/src/gui/src/ScreenList.h
index bfc93b77d..136ddfde0 100644
--- a/src/gui/src/ScreenList.h
+++ b/src/gui/src/ScreenList.h
@@ -47,6 +47,12 @@ public:
      * @param newScreen
      */
     void addScreenToFirstEmpty(const Screen& newScreen);
+
+    /**
+     * @brief Returns true if screens are equal
+     * @param sc
+     */
+    bool operator==(const ScreenList& sc) const;
 };
 
 #endif // SCREENLIST_H
diff --git a/src/gui/src/ScreenSetupModel.cpp b/src/gui/src/ScreenSetupModel.cpp
index 9c2c280e8..3212d77e0 100644
--- a/src/gui/src/ScreenSetupModel.cpp
+++ b/src/gui/src/ScreenSetupModel.cpp
@@ -138,12 +138,15 @@ bool ScreenSetupModel::dropMimeData(const QMimeData* data, Qt::DropAction action
 
     screen(parent.column(), parent.row()) = droppedScreen;
 
+    emit screensChanged();
+
     return true;
 }
 
 void ScreenSetupModel::addScreen(const Screen& newScreen)
 {
     m_Screens.addScreenByPriority(newScreen);
+    emit screensChanged();
 }
 
 bool ScreenSetupModel::isFull() const
diff --git a/src/gui/src/ScreenSetupModel.h b/src/gui/src/ScreenSetupModel.h
index fee18cd4a..2891679d7 100644
--- a/src/gui/src/ScreenSetupModel.h
+++ b/src/gui/src/ScreenSetupModel.h
@@ -53,6 +53,10 @@ class ScreenSetupModel : public QAbstractTableModel
         QMimeData* mimeData(const QModelIndexList& indexes) const;
         bool isFull() const;
 
+    signals:
+        void screensChanged();
+
+
     protected:
         bool dropMimeData(const QMimeData* data, Qt::DropAction action, int row, int column, const QModelIndex& parent);
         const Screen& screen(const QModelIndex& index) const { return screen(index.column(), index.row()); }
diff --git a/src/gui/src/ScreenSetupView.cpp b/src/gui/src/ScreenSetupView.cpp
index a77161f5e..89229d4df 100644
--- a/src/gui/src/ScreenSetupView.cpp
+++ b/src/gui/src/ScreenSetupView.cpp
@@ -76,6 +76,7 @@ void ScreenSetupView::mouseDoubleClickEvent(QMouseEvent* event)
         {
             ScreenSettingsDialog dlg(this, &model()->screen(col, row), &model()->m_Screens);
             dlg.exec();
+            emit model()->screensChanged();
         }
     }
     else
@@ -147,6 +148,8 @@ void ScreenSetupView::startDrag(Qt::DropActions)
             model()->screen(indexes[0]) = Screen();
         else
             model()->screen(indexes[0]).setSwapped(false);
+
+        emit model()->screensChanged();
     }
 }
 
diff --git a/src/gui/src/ServerConfig.cpp b/src/gui/src/ServerConfig.cpp
index 933e59f5d..e102f8d67 100644
--- a/src/gui/src/ServerConfig.cpp
+++ b/src/gui/src/ServerConfig.cpp
@@ -76,6 +76,31 @@ bool ServerConfig::save(const QString& fileName) const
     return true;
 }
 
+bool ServerConfig::operator==(const ServerConfig& sc) const
+{
+    return m_Screens                == sc.m_Screens                &&
+           m_NumColumns             == sc.m_NumColumns             &&
+           m_NumRows                == sc.m_NumRows                &&
+           m_HasHeartbeat           == sc.m_HasHeartbeat           &&
+           m_Heartbeat              == sc.m_Heartbeat              &&
+           m_RelativeMouseMoves     == sc.m_RelativeMouseMoves     &&
+           m_Win32KeepForeground    == sc.m_Win32KeepForeground    &&
+           m_HasSwitchDelay         == sc.m_HasSwitchDelay         &&
+           m_SwitchDelay            == sc.m_SwitchDelay            &&
+           m_HasSwitchDoubleTap     == sc.m_HasSwitchDoubleTap     &&
+           m_SwitchDoubleTap        == sc.m_SwitchDoubleTap        &&
+           m_SwitchCornerSize       == sc.m_SwitchCornerSize       &&
+           m_SwitchCorners          == sc.m_SwitchCorners          &&
+           m_Hotkeys                == sc.m_Hotkeys                &&
+           m_pAppConfig             == sc.m_pAppConfig             &&
+           m_IgnoreAutoConfigClient == sc.m_IgnoreAutoConfigClient &&
+           m_EnableDragAndDrop      == sc.m_EnableDragAndDrop      &&
+           m_DisableLockToScreen    == sc.m_DisableLockToScreen    &&
+           m_ClipboardSharing       == sc.m_ClipboardSharing       &&
+           m_ClipboardSharingSize   == sc.m_ClipboardSharingSize   &&
+           m_pMainWindow            == sc.m_pMainWindow;
+}
+
 void ServerConfig::save(QFile& file) const
 {
     QTextStream outStream(&file);
diff --git a/src/gui/src/ServerConfig.h b/src/gui/src/ServerConfig.h
index 336d75c19..3daa6d03b 100644
--- a/src/gui/src/ServerConfig.h
+++ b/src/gui/src/ServerConfig.h
@@ -50,6 +50,8 @@ class ServerConfig : public BaseConfig, public GUI::Config::ConfigBase
         ServerConfig& operator=(const ServerConfig &src) =default;
         ServerConfig& operator=(ServerConfig &&) =delete;
 
+        bool          operator==(const ServerConfig& sc) const;
+
     public:
         const ScreenList& screens() const { return m_Screens; }
         int numColumns() const { return m_NumColumns; }
diff --git a/src/gui/src/ServerConfigDialog.cpp b/src/gui/src/ServerConfigDialog.cpp
index 266838b7b..c88fdae7d 100644
--- a/src/gui/src/ServerConfigDialog.cpp
+++ b/src/gui/src/ServerConfigDialog.cpp
@@ -31,6 +31,8 @@ ServerConfigDialog::ServerConfigDialog(QWidget* parent, ServerConfig& config) :
     QDialog(parent, Qt::WindowTitleHint | Qt::WindowSystemMenuHint),
     Ui::ServerConfigDialogBase(),
     m_OrigServerConfig(config),
+    m_OrigServerAppConfigUseExternalConfig(config.getUseExternalConfig()),
+    m_OrigServerAppConfigExternalConfigFile(config.getConfigFile()),
     m_ServerConfig(config),
     m_ScreenSetupModel(serverConfig().screens(), serverConfig().numColumns(), serverConfig().numRows()),
     m_Message("")
@@ -84,6 +86,53 @@ ServerConfigDialog::ServerConfigDialog(QWidget* parent, ServerConfig& config) :
 
     m_pButtonAddComputer->setEnabled(!model().isFull());
     connect(m_pTrashScreenWidget, SIGNAL(screenRemoved()), this, SLOT(onScreenRemoved()));
+
+    onChange();
+
+    //computers
+    connect(&m_ScreenSetupModel, &ScreenSetupModel::screensChanged, this, &ServerConfigDialog::onChange);
+
+    //advanced
+    connect(m_pCheckBoxSwitchDelay,                               &QCheckBox::stateChanged,
+            this, [this]( const auto& v ) { serverConfig().haveSwitchDelay(v);                          onChange();});
+    connect(m_pSpinBoxSwitchDelay,             QOverload<int>::of(&QSpinBox::valueChanged),
+            this, [this]( const auto& v ) { serverConfig().setSwitchDelay(v);                           onChange();});
+    connect(m_pCheckBoxSwitchDoubleTap,                           &QCheckBox::stateChanged,
+            this, [this]( const auto& v ) { serverConfig().haveSwitchDoubleTap(v);                      onChange();});
+    connect(m_pSpinBoxSwitchDoubleTap,         QOverload<int>::of(&QSpinBox::valueChanged),
+            this, [this]( const auto& v ) { serverConfig().setSwitchDoubleTap(v);                       onChange();});
+    connect(m_pCheckBoxEnableClipboard,                           &QCheckBox::stateChanged,
+            this, [this]( const auto& v ) { serverConfig().setClipboardSharing(v);                      onChange();});
+    connect(m_pSpinBoxClipboardSizeLimit,      QOverload<int>::of(&QSpinBox::valueChanged),
+            this, [this]( const auto& v ) { serverConfig().setClipboardSharingSize(v * 1024);           onChange();});
+    connect(m_pCheckBoxHeartbeat,                                 &QCheckBox::stateChanged,
+            this, [this]( const auto& v ) { serverConfig().haveHeartbeat(v);                            onChange();});
+    connect(m_pSpinBoxHeartbeat,               QOverload<int>::of(&QSpinBox::valueChanged),
+            this, [this]( const auto& v ) { serverConfig().setHeartbeat(v);                             onChange();});
+    connect(m_pCheckBoxRelativeMouseMoves,                        &QCheckBox::stateChanged,
+            this, [this]( const auto& v ) { serverConfig().setRelativeMouseMoves(v);                    onChange();});
+    connect(m_pCheckBoxWin32KeepForeground,                       &QCheckBox::stateChanged,
+            this, [this]( const auto& v ) { serverConfig().setWin32KeepForeground(v);                   onChange();});
+    connect(m_pCheckBoxIgnoreAutoConfigClient,                    &QCheckBox::stateChanged,
+            this, [this]( const auto& v ) { serverConfig().setIgnoreAutoConfigClient(v);                onChange();});
+    connect(m_pCheckBoxDisableLockToScreen,                       &QCheckBox::stateChanged,
+            this, [this]( const auto& v ) { serverConfig().setDisableLockToScreen(v);                   onChange();});
+    connect(m_pCheckBoxCornerTopLeft,                             &QCheckBox::stateChanged,
+            this, [this]( const auto& v ) { serverConfig().setSwitchCorner(BaseConfig::TopLeft, v);     onChange();});
+    connect(m_pCheckBoxCornerTopRight,                            &QCheckBox::stateChanged,
+            this, [this]( const auto& v ) { serverConfig().setSwitchCorner(BaseConfig::TopRight, v);    onChange();});
+    connect(m_pCheckBoxCornerBottomLeft,                          &QCheckBox::stateChanged,
+            this, [this]( const auto& v ) { serverConfig().setSwitchCorner(BaseConfig::BottomLeft, v);  onChange();});
+    connect(m_pCheckBoxCornerBottomRight,                         &QCheckBox::stateChanged,
+            this, [this]( const auto& v ) { serverConfig().setSwitchCorner(BaseConfig::BottomRight, v); onChange();});
+    connect(m_pSpinBoxSwitchCornerSize,        QOverload<int>::of(&QSpinBox::valueChanged),
+            this, [this]( const auto& v ) { serverConfig().setSwitchCornerSize(v);                      onChange();});
+
+    //config
+    connect(m_pCheckBoxUseExternalConfig, &QCheckBox::stateChanged,
+            this, [this]( const auto& v ) { serverConfig().setUseExternalConfig(v); onChange();});
+    connect(m_pEditConfigFile,            &QLineEdit::textChanged,
+            this, [this]() { serverConfig().setConfigFile(m_pEditConfigFile->text()); onChange();});
 }
 
 void ServerConfigDialog::showEvent(QShowEvent* event)
@@ -115,32 +164,6 @@ void ServerConfigDialog::accept()
         }
     }
 
-    serverConfig().setConfigFile(m_pEditConfigFile->text());
-    serverConfig().setUseExternalConfig(m_pCheckBoxUseExternalConfig->isChecked());
-
-    serverConfig().haveHeartbeat(m_pCheckBoxHeartbeat->isChecked());
-    serverConfig().setHeartbeat(m_pSpinBoxHeartbeat->value());
-
-    serverConfig().setRelativeMouseMoves(m_pCheckBoxRelativeMouseMoves->isChecked());
-    serverConfig().setWin32KeepForeground(m_pCheckBoxWin32KeepForeground->isChecked());
-
-    serverConfig().haveSwitchDelay(m_pCheckBoxSwitchDelay->isChecked());
-    serverConfig().setSwitchDelay(m_pSpinBoxSwitchDelay->value());
-
-    serverConfig().haveSwitchDoubleTap(m_pCheckBoxSwitchDoubleTap->isChecked());
-    serverConfig().setSwitchDoubleTap(m_pSpinBoxSwitchDoubleTap->value());
-
-    serverConfig().setSwitchCorner(BaseConfig::TopLeft, m_pCheckBoxCornerTopLeft->isChecked());
-    serverConfig().setSwitchCorner(BaseConfig::TopRight, m_pCheckBoxCornerTopRight->isChecked());
-    serverConfig().setSwitchCorner(BaseConfig::BottomLeft, m_pCheckBoxCornerBottomLeft->isChecked());
-    serverConfig().setSwitchCorner(BaseConfig::BottomRight, m_pCheckBoxCornerBottomRight->isChecked());
-    serverConfig().setSwitchCornerSize(m_pSpinBoxSwitchCornerSize->value());
-    serverConfig().setIgnoreAutoConfigClient(m_pCheckBoxIgnoreAutoConfigClient->isChecked());
-    serverConfig().setDisableLockToScreen(m_pCheckBoxDisableLockToScreen->isChecked());
-    serverConfig().setClipboardSharingSize(m_pSpinBoxClipboardSizeLimit->value() * 1024);
-    serverConfig().setClipboardSharing(m_pCheckBoxEnableClipboard->isChecked()
-               && m_pSpinBoxClipboardSizeLimit->value());
-
     // now that the dialog has been accepted, copy the new server config to the original one,
     // which is a reference to the one in MainWindow.
     setOrigServerConfig(serverConfig());
@@ -148,14 +171,22 @@ void ServerConfigDialog::accept()
     QDialog::accept();
 }
 
+void ServerConfigDialog::reject()
+{
+    serverConfig().setUseExternalConfig(m_OrigServerAppConfigUseExternalConfig);
+    serverConfig().setConfigFile(m_OrigServerAppConfigExternalConfigFile);
+
+    QDialog::reject();
+}
+
 void ServerConfigDialog::on_m_pButtonNewHotkey_clicked()
 {
     Hotkey hotkey;
     HotkeyDialog dlg(this, hotkey);
-    if (dlg.exec() == QDialog::Accepted)
-    {
+    if (dlg.exec() == QDialog::Accepted) {
         serverConfig().hotkeys().append(hotkey);
         m_pListHotkeys->addItem(hotkey.text());
+        onChange();
     }
 }
 
@@ -165,8 +196,10 @@ void ServerConfigDialog::on_m_pButtonEditHotkey_clicked()
     Q_ASSERT(idx >= 0 && idx < serverConfig().hotkeys().size());
     Hotkey& hotkey = serverConfig().hotkeys()[idx];
     HotkeyDialog dlg(this, hotkey);
-    if (dlg.exec() == QDialog::Accepted)
+    if (dlg.exec() == QDialog::Accepted) {
         m_pListHotkeys->currentItem()->setText(hotkey.text());
+        onChange();
+    }
 }
 
 void ServerConfigDialog::on_m_pButtonRemoveHotkey_clicked()
@@ -176,6 +209,7 @@ void ServerConfigDialog::on_m_pButtonRemoveHotkey_clicked()
     serverConfig().hotkeys().removeAt(idx);
     m_pListActions->clear();
     delete m_pListHotkeys->item(idx);
+    onChange();
 }
 
 void ServerConfigDialog::on_m_pListHotkeys_itemSelectionChanged()
@@ -218,6 +252,7 @@ void ServerConfigDialog::on_m_pButtonNewAction_clicked()
     {
         hotkey.actions().append(action);
         m_pListActions->addItem(action.text());
+        onChange();
     }
 }
 
@@ -232,8 +267,10 @@ void ServerConfigDialog::on_m_pButtonEditAction_clicked()
     Action& action = hotkey.actions()[idxAction];
 
     ActionDialog dlg(this, serverConfig(), hotkey, action);
-    if (dlg.exec() == QDialog::Accepted)
+    if (dlg.exec() == QDialog::Accepted) {
         m_pListActions->currentItem()->setText(action.text());
+        onChange();
+    }
 }
 
 void ServerConfigDialog::on_m_pButtonRemoveAction_clicked()
@@ -247,6 +284,7 @@ void ServerConfigDialog::on_m_pButtonRemoveAction_clicked()
 
     hotkey.actions().removeAt(idxAction);
     delete m_pListActions->currentItem();
+    onChange();
 }
 
 void ServerConfigDialog::on_m_pCheckBoxEnableClipboard_stateChanged(int const state)
@@ -280,6 +318,7 @@ void ServerConfigDialog::on_m_pButtonAddComputer_clicked()
 void ServerConfigDialog::onScreenRemoved()
 {
     m_pButtonAddComputer->setEnabled(true);
+    onChange();
 }
 
 void ServerConfigDialog::on_m_pCheckBoxUseExternalConfig_toggled(bool checked)
@@ -311,3 +350,10 @@ bool ServerConfigDialog::on_m_pButtonBrowseConfigFile_clicked()
 
     return false;
 }
+
+void ServerConfigDialog::onChange()
+{
+    bool isAppConfigDataEqual = m_OrigServerAppConfigUseExternalConfig  == serverConfig().getUseExternalConfig() &&
+                                m_OrigServerAppConfigExternalConfigFile == serverConfig().getConfigFile();
+    m_pButtonBox->button(QDialogButtonBox::Ok)->setEnabled(!isAppConfigDataEqual || !(m_OrigServerConfig == m_ServerConfig));
+}
diff --git a/src/gui/src/ServerConfigDialog.h b/src/gui/src/ServerConfigDialog.h
index 9acc51e23..e57c6c166 100644
--- a/src/gui/src/ServerConfigDialog.h
+++ b/src/gui/src/ServerConfigDialog.h
@@ -36,6 +36,7 @@ class ServerConfigDialog : public QDialog, public Ui::ServerConfigDialogBase
 
     public slots:
         void accept();
+        void reject() override;
         void showEvent(QShowEvent* event);
         void message(const QString& message) { m_Message = message; }
 
@@ -62,9 +63,14 @@ class ServerConfigDialog : public QDialog, public Ui::ServerConfigDialogBase
 
     private:
         ServerConfig& m_OrigServerConfig;
+        bool m_OrigServerAppConfigUseExternalConfig;
+        QString m_OrigServerAppConfigExternalConfigFile;
         ServerConfig m_ServerConfig;
         ScreenSetupModel m_ScreenSetupModel;
         QString m_Message;
+
+    private slots:
+        void onChange();
 };
 
 #endif