diff --git a/src/ui/control/control.h b/src/ui/control/control.h
index 8ae8ebfb..03610451 100644
--- a/src/ui/control/control.h
+++ b/src/ui/control/control.h
@@ -13,7 +13,7 @@ enum Command : qint8 {
     Rpc_AppInfoManager_lookupAppInfo,
     Rpc_AppInfoManager_checkLookupFinished,
     Rpc_ConfManager_,
-    Rpc_DriverManager_,
+    Rpc_DriverManager_updateState,
     Rpc_QuotaManager_alert,
     Rpc_StatManager_,
     Rpc_TaskManager_,
diff --git a/src/ui/driver/drivermanager.cpp b/src/ui/driver/drivermanager.cpp
index e75bf549..0f0e1ec1 100644
--- a/src/ui/driver/drivermanager.cpp
+++ b/src/ui/driver/drivermanager.cpp
@@ -25,52 +25,61 @@ DriverManager::~DriverManager()
 
 QString DriverManager::errorMessage() const
 {
-    return (m_errorCode == 0) ? QString() : OsUtil::errorMessage(m_errorCode);
+    return (errorCode() == 0) ? QString() : OsUtil::errorMessage(errorCode());
 }
 
-void DriverManager::updateError(bool success)
+void DriverManager::setErrorCode(quint32 v)
 {
-    m_errorCode = success ? 0 : OsUtil::lastErrorCode();
-    emit errorMessageChanged();
+    if (m_errorCode != v) {
+        m_errorCode = v;
+        emit errorCodeChanged();
+    }
+}
+
+void DriverManager::updateErrorCode(bool success)
+{
+    setErrorCode(success ? 0 : OsUtil::lastErrorCode());
 }
 
 bool DriverManager::isDeviceError() const
 {
-    return m_errorCode != 0 && m_errorCode != DriverCommon::userErrorCode();
+    return errorCode() != 0 && errorCode() != DriverCommon::userErrorCode();
 }
 
 void DriverManager::setupWorker()
 {
-    QThreadPool::globalInstance()->start(m_driverWorker);
+    QThreadPool::globalInstance()->start(driverWorker());
 }
 
 void DriverManager::abortWorker()
 {
-    m_driverWorker->abort();
+    driverWorker()->abort();
 }
 
 bool DriverManager::isDeviceOpened() const
 {
-    return m_device->isOpened();
+    return device()->isOpened();
 }
 
 bool DriverManager::openDevice()
 {
-    const bool res = m_device->open(DriverCommon::deviceName());
-
-    updateError(res);
+    const bool res = device()->open(DriverCommon::deviceName());
 
     emit isDeviceOpenedChanged();
 
+    updateErrorCode(res);
+
     return res;
 }
 
 bool DriverManager::closeDevice()
 {
-    const bool res = m_device->close();
+    const bool res = device()->close();
 
     emit isDeviceOpenedChanged();
 
+    updateErrorCode(true);
+
     return res;
 }
 
@@ -101,11 +110,11 @@ bool DriverManager::writeData(quint32 code, QByteArray &buf, int size)
     if (!isDeviceOpened())
         return true;
 
-    m_driverWorker->cancelAsyncIo();
+    driverWorker()->cancelAsyncIo();
 
-    const bool res = m_device->ioctl(code, buf.data(), size);
+    const bool res = device()->ioctl(code, buf.data(), size);
 
-    updateError(res);
+    updateErrorCode(res);
 
     return res;
 }
diff --git a/src/ui/driver/drivermanager.h b/src/ui/driver/drivermanager.h
index 4187b6e8..f031a09a 100644
--- a/src/ui/driver/drivermanager.h
+++ b/src/ui/driver/drivermanager.h
@@ -20,8 +20,10 @@ public:
     ~DriverManager() override;
     CLASS_DELETE_COPY_MOVE(DriverManager)
 
+    Device *device() const { return m_device; }
     DriverWorker *driverWorker() const { return m_driverWorker; }
 
+    quint32 errorCode() const { return m_errorCode; }
     QString errorMessage() const;
     bool isDeviceError() const;
 
@@ -31,7 +33,7 @@ public:
     virtual void uninstallDriver();
 
 signals:
-    void errorMessageChanged();
+    void errorCodeChanged();
     void isDeviceOpenedChanged();
 
 public slots:
@@ -44,8 +46,11 @@ public slots:
     bool writeApp(QByteArray &buf, int size, bool remove = false);
     bool writeZones(QByteArray &buf, int size, bool onlyFlags = false);
 
+protected:
+    void setErrorCode(quint32 v);
+
 private:
-    void updateError(bool success);
+    void updateErrorCode(bool success);
 
     void setupWorker();
     void abortWorker();
diff --git a/src/ui/form/opt/pages/optionspage.cpp b/src/ui/form/opt/pages/optionspage.cpp
index 64070e4d..d32d537b 100644
--- a/src/ui/form/opt/pages/optionspage.cpp
+++ b/src/ui/form/opt/pages/optionspage.cpp
@@ -495,7 +495,7 @@ void OptionsPage::setupDriverIcon()
     refreshDriverIcon();
 
     connect(driverManager(), &DriverManager::isDeviceOpenedChanged, this, refreshDriverIcon);
-    connect(driverManager(), &DriverManager::errorMessageChanged, this,
+    connect(driverManager(), &DriverManager::errorCodeChanged, this,
             &OptionsPage::retranslateDriverMessage);
 }
 
diff --git a/src/ui/rpc/drivermanagerrpc.cpp b/src/ui/rpc/drivermanagerrpc.cpp
index ba29bf8b..87e1271d 100644
--- a/src/ui/rpc/drivermanagerrpc.cpp
+++ b/src/ui/rpc/drivermanagerrpc.cpp
@@ -8,9 +8,12 @@ DriverManagerRpc::DriverManagerRpc(FortManager *fortManager, QObject *parent) :
 {
 }
 
-bool DriverManagerRpc::isDeviceOpened() const
+void DriverManagerRpc::setIsDeviceOpened(bool v)
 {
-    return m_isDeviceOpened;
+    if (m_isDeviceOpened != v) {
+        m_isDeviceOpened = v;
+        emit isDeviceOpenedChanged();
+    }
 }
 
 RpcManager *DriverManagerRpc::rpcManager() const
@@ -22,6 +25,12 @@ void DriverManagerRpc::reinstallDriver() { }
 
 void DriverManagerRpc::uninstallDriver() { }
 
+void DriverManagerRpc::updateState(quint32 errorCode, bool isDeviceOpened)
+{
+    setIsDeviceOpened(isDeviceOpened);
+    setErrorCode(errorCode);
+}
+
 bool DriverManagerRpc::openDevice()
 {
     return false;
diff --git a/src/ui/rpc/drivermanagerrpc.h b/src/ui/rpc/drivermanagerrpc.h
index 4d3aa049..0680bbcc 100644
--- a/src/ui/rpc/drivermanagerrpc.h
+++ b/src/ui/rpc/drivermanagerrpc.h
@@ -13,7 +13,8 @@ class DriverManagerRpc : public DriverManager
 public:
     explicit DriverManagerRpc(FortManager *fortManager, QObject *parent = nullptr);
 
-    bool isDeviceOpened() const override;
+    bool isDeviceOpened() const override { return m_isDeviceOpened; }
+    void setIsDeviceOpened(bool v);
 
     FortManager *fortManager() const { return m_fortManager; }
     RpcManager *rpcManager() const;
@@ -21,6 +22,8 @@ public:
     void reinstallDriver() override;
     void uninstallDriver() override;
 
+    void updateState(quint32 errorCode, bool isDeviceOpened);
+
 public slots:
     bool openDevice() override;
     bool closeDevice() override;
diff --git a/src/ui/rpc/rpcmanager.cpp b/src/ui/rpc/rpcmanager.cpp
index 1b77f638..6378f589 100644
--- a/src/ui/rpc/rpcmanager.cpp
+++ b/src/ui/rpc/rpcmanager.cpp
@@ -68,6 +68,7 @@ void RpcManager::initialize()
 void RpcManager::setupServerSignals()
 {
     setupAppInfoManagerSignals();
+    setupDriverManagerSignals();
     setupQuotaManagerSignals();
 }
 
@@ -79,6 +80,16 @@ void RpcManager::setupAppInfoManagerSignals()
             });
 }
 
+void RpcManager::setupDriverManagerSignals()
+{
+    const auto updateClientStates = [&] {
+        invokeOnClients(Control::Rpc_DriverManager_updateState,
+                { driverManager()->errorCode(), driverManager()->isDeviceOpened() });
+    };
+    connect(driverManager(), &DriverManager::errorCodeChanged, this, updateClientStates);
+    connect(driverManager(), &DriverManager::isDeviceOpenedChanged, this, updateClientStates);
+}
+
 void RpcManager::setupQuotaManagerSignals()
 {
     connect(quotaManager(), &QuotaManager::alert, this, [&](qint8 alertType) {
@@ -124,9 +135,13 @@ bool RpcManager::processCommandRpc(
     case Control::Rpc_ConfManager_:
         confManager();
         return true;
-    case Control::Rpc_DriverManager_:
-        driverManager();
-        return true;
+    case Control::Rpc_DriverManager_updateState:
+        if (settings()->isServiceClient()) {
+            auto dm = qobject_cast<DriverManagerRpc *>(driverManager());
+            dm->updateState(args.value(0).toUInt(), args.value(1).toBool());
+            return true;
+        }
+        break;
     case Control::Rpc_QuotaManager_alert:
         emit quotaManager()->alert(args.value(0).toInt());
         return true;
@@ -138,6 +153,7 @@ bool RpcManager::processCommandRpc(
         return true;
     default:
         errorMessage = "Unknown command";
-        return false;
     }
+
+    return false;
 }
diff --git a/src/ui/rpc/rpcmanager.h b/src/ui/rpc/rpcmanager.h
index a803d1ce..1707124c 100644
--- a/src/ui/rpc/rpcmanager.h
+++ b/src/ui/rpc/rpcmanager.h
@@ -45,6 +45,7 @@ public:
 private:
     void setupServerSignals();
     void setupAppInfoManagerSignals();
+    void setupDriverManagerSignals();
     void setupQuotaManagerSignals();
 
     void setupClient();