diff --git a/LibInstructorsAndTrainees/InstructorsAndTrainees.qrc b/LibInstructorsAndTrainees/InstructorsAndTrainees.qrc
index d6bb16c..add8f75 100644
--- a/LibInstructorsAndTrainees/InstructorsAndTrainees.qrc
+++ b/LibInstructorsAndTrainees/InstructorsAndTrainees.qrc
@@ -52,5 +52,6 @@
         <file>resources/icons/new.png</file>
         <file>resources/icons/branch-closed.png</file>
         <file>resources/icons/save.png</file>
+        <file>resources/icons/lock.png</file>
     </qresource>
 </RCC>
diff --git a/LibInstructorsAndTrainees/connectorToServer/Core/recognizesystem.cpp b/LibInstructorsAndTrainees/connectorToServer/Core/recognizesystem.cpp
index ae334ca..de7edb9 100644
--- a/LibInstructorsAndTrainees/connectorToServer/Core/recognizesystem.cpp
+++ b/LibInstructorsAndTrainees/connectorToServer/Core/recognizesystem.cpp
@@ -260,12 +260,12 @@ void RecognizeSystem::recognize(QTcpSocket *socket)
 
         if(packetType == PacketType::BUSY)
         {
-            //emit sigAnimationActivated(true);
+            signal_ServerBlockState(true);
         }
 
         if(packetType == PacketType::FREE)
         {
-            //emit sigAnimationActivated(false);
+            signal_ServerBlockState(false);
         }
 
         if(packetType == PacketType::HASH_READY)
diff --git a/LibInstructorsAndTrainees/connectorToServer/Core/recognizesystem.h b/LibInstructorsAndTrainees/connectorToServer/Core/recognizesystem.h
index dfc3351..56f1c6f 100644
--- a/LibInstructorsAndTrainees/connectorToServer/Core/recognizesystem.h
+++ b/LibInstructorsAndTrainees/connectorToServer/Core/recognizesystem.h
@@ -62,6 +62,8 @@ signals:
 
     void signal_AnswerDocsChanged();
 
+    void signal_ServerBlockState(bool state);
+
 private:
     QList<QString> *folderList;
     //MainWindow *mainWindow;
diff --git a/LibInstructorsAndTrainees/connectorToServer/connectortoserver.cpp b/LibInstructorsAndTrainees/connectorToServer/connectortoserver.cpp
index e5aeaf7..dec6cfa 100644
--- a/LibInstructorsAndTrainees/connectorToServer/connectortoserver.cpp
+++ b/LibInstructorsAndTrainees/connectorToServer/connectortoserver.cpp
@@ -9,7 +9,8 @@ ConnectorToServer::ConnectorToServer(QObject *parent) :
     sendSystem(nullptr),
     recognizeSystem(nullptr),
     fl_GetedOfflineMessages(false),
-    nameInstructorLoggedInLocal("")
+    nameInstructorLoggedInLocal(""),
+    serverBlockState(false)
 {
     initialize();
 }
@@ -38,6 +39,8 @@ bool ConnectorToServer::getIsConnected()
 
 void ConnectorToServer::SetConnectToServer()
 {
+    serverBlockState = false;
+
     qDebug() << "connectorToServer::SetConnectToServer() thread ID " << QThread::currentThreadId();
     serverSettings = *dataParser->getServerSettings();
     emit sigSetConnect(dataParser->getServerSettings(),connectionThread);
@@ -45,6 +48,8 @@ void ConnectorToServer::SetConnectToServer()
 
 void ConnectorToServer::StopConnectToServer()
 {
+    serverBlockState = false;
+
     emit sigStopConnect();
     clearListModelDB();
 }
@@ -117,6 +122,12 @@ void ConnectorToServer::slot_NotifyVersionControl(QString text)
     emit signal_NotifyVersionControl(text);
 }
 
+void ConnectorToServer::slot_ServerBlockState(bool state)
+{
+    serverBlockState = state;
+    emit signal_ServerBlockState(state);
+}
+
 void ConnectorToServer::initialize()
 {
     createObjects();
@@ -169,6 +180,8 @@ void ConnectorToServer::bindConnection()
 
     connect(recognizeSystem, &RecognizeSystem::sigSetVersion, this, &ConnectorToServer::signal_SetVersion);
 
+    connect(recognizeSystem,&RecognizeSystem::signal_ServerBlockState,this,&ConnectorToServer::slot_ServerBlockState);
+
     connect(this, &ConnectorToServer::signal_SendCopyVersion, sendSystem, &SendSystem::sendCopyVersion);
     connect(this, &ConnectorToServer::signal_SendDeleteVersion, sendSystem, &SendSystem::sendDeleteVersion);
     connect(this, &ConnectorToServer::signal_SendSwitchVersion, sendSystem, &SendSystem::sendChangeVersion);
@@ -195,6 +208,11 @@ void ConnectorToServer::createObjects()
     connectionThread->setPriority(QThread::HighestPriority);
 }
 
+bool ConnectorToServer::getServerBlockState() const
+{
+    return serverBlockState;
+}
+
 SendSystem *ConnectorToServer::getSendSystem() const
 {
     return sendSystem;
diff --git a/LibInstructorsAndTrainees/connectorToServer/connectortoserver.h b/LibInstructorsAndTrainees/connectorToServer/connectortoserver.h
index 29202b3..bbaa682 100644
--- a/LibInstructorsAndTrainees/connectorToServer/connectortoserver.h
+++ b/LibInstructorsAndTrainees/connectorToServer/connectortoserver.h
@@ -82,6 +82,8 @@ public:
     int getIdTraineeByLogin(QString login);
     int getIdInstructorByLogin(QString login);
 
+    bool getServerBlockState() const;
+
 private:
     //Очистка списочной модели БД СУО
     void clearListModelDB();
@@ -117,6 +119,8 @@ public slots:
 
     void slot_NotifyVersionControl(QString text);
 
+    void slot_ServerBlockState(bool state);
+
 signals:
     void sigSetConnect(ServerSettings* serverSettings,QThread *thread);
     void sigStopConnect();
@@ -159,6 +163,8 @@ signals:
 
     void signal_NotifyVersionControl(QString text);
 
+    void signal_ServerBlockState(bool state);
+
 private:
     void initialize();
     void bindConnection();
@@ -191,6 +197,8 @@ private:
     bool fl_GetedOfflineMessages;    
 
     QString nameInstructorLoggedInLocal;
+
+    bool serverBlockState;
 };
 
 #endif // CONNECTORTOSERVER_H
diff --git a/LibInstructorsAndTrainees/instructorsandtraineeswidget.cpp b/LibInstructorsAndTrainees/instructorsandtraineeswidget.cpp
index 748837a..fddd8d9 100644
--- a/LibInstructorsAndTrainees/instructorsandtraineeswidget.cpp
+++ b/LibInstructorsAndTrainees/instructorsandtraineeswidget.cpp
@@ -55,6 +55,7 @@ InstructorsAndTraineesWidget::InstructorsAndTraineesWidget(QWidget *parent) :
     connect(connectorToServer, &ConnectorToServer::sigErrorAuth, this, &InstructorsAndTraineesWidget::slot_ErrorAuth);
     connect(connectorToServer, &ConnectorToServer::signal_SetVersion, this, &InstructorsAndTraineesWidget::slot_SetVersion);
     connect(connectorToServer, &ConnectorToServer::signal_AnswerDocsChanged,this, &InstructorsAndTraineesWidget::slot_AnswerDocsChanged);
+    connect(connectorToServer, &ConnectorToServer::signal_ServerBlockState, this, &InstructorsAndTraineesWidget::slot_ServerBlockState);
 
     messangerController = new MessangerController(connectorToServer, this);
 
@@ -337,8 +338,6 @@ void InstructorsAndTraineesWidget::slot_ConnectedToServer(bool state)
         ui->btnConnectionToServer->setEnabled(false);
         ui->btnAuthorizationInstructor->setEnabled(true);
 
-        ui->lblDBisConnected->setPixmap(QPixmap(QStringLiteral(":/resources/icons/circleGreen.png")));
-
         updateLabelLoggedInInstructor(instructorLoggedInLocal);
 
         flTryConnectToServer = false;
@@ -354,7 +353,6 @@ void InstructorsAndTraineesWidget::slot_ConnectedToServer(bool state)
         //ui->btnConnectionToServer->setEnabled(true);
         ui->btnAuthorizationInstructor->setEnabled(false);
         ui->btnAuthorizationInstructor->setChecked(false);
-        ui->lblDBisConnected->setPixmap(QPixmap(QStringLiteral(":/resources/icons/circleGray.png")));
 
         viewerInstructors->setAuthComplited(false);
         viewerTrainees->setAuthComplited(false);
@@ -475,6 +473,11 @@ void InstructorsAndTraineesWidget::slot_TryConnectToServer()
     connectorToServer->SetConnectToServer();
 }
 
+void InstructorsAndTraineesWidget::slot_ServerBlockState(bool state)
+{
+    updateLabelServer();
+}
+
 bool InstructorsAndTraineesWidget::authorizationInstructorDialog(QWidget* parent)
 {
     dlgAuthorization = new DialogAuthorization(parent);
@@ -622,11 +625,27 @@ void InstructorsAndTraineesWidget::updateLabelServer()
     {
         if(connectorToServer->getIsConnected())
         {
-            ServerSettings serverSettings = connectorToServer->getServerSettings();
-            ui->lblServer->setText(tr("connected") + " " + serverSettings.Address + " : " +serverSettings.Port);
+            if(connectorToServer->getServerBlockState())
+            {//Заблокирован!
+                ServerSettings serverSettings = connectorToServer->getServerSettings();
+                ui->lblServer->setText(tr("connected") + " " + serverSettings.Address + " : " +serverSettings.Port + ", " + tr("blocked"));
+
+                ui->lblDBisConnected->setPixmap(QPixmap(QStringLiteral(":/resources/icons/lock.png")));
+            }
+            else
+            {
+                ServerSettings serverSettings = connectorToServer->getServerSettings();
+                ui->lblServer->setText(tr("connected") + " " + serverSettings.Address + " : " +serverSettings.Port);
+
+                ui->lblDBisConnected->setPixmap(QPixmap(QStringLiteral(":/resources/icons/circleGreen.png")));
+            }
         }
         else
+        {
             ui->lblServer->setText(tr("not connected"));
+
+            ui->lblDBisConnected->setPixmap(QPixmap(QStringLiteral(":/resources/icons/circleGray.png")));
+        }
     }
 }
 
diff --git a/LibInstructorsAndTrainees/instructorsandtraineeswidget.h b/LibInstructorsAndTrainees/instructorsandtraineeswidget.h
index a24c9bf..23d1bb4 100644
--- a/LibInstructorsAndTrainees/instructorsandtraineeswidget.h
+++ b/LibInstructorsAndTrainees/instructorsandtraineeswidget.h
@@ -68,6 +68,8 @@ public Q_SLOTS:
 
     void slot_TryConnectToServer();
 
+    void slot_ServerBlockState(bool state);
+
 Q_SIGNALS:
     //сигнал смены языка
     void signal_LanguageChanged(QString language);
diff --git a/LibInstructorsAndTrainees/resources/icons/lock.png b/LibInstructorsAndTrainees/resources/icons/lock.png
new file mode 100644
index 0000000..bf9e7b2
Binary files /dev/null and b/LibInstructorsAndTrainees/resources/icons/lock.png differ
diff --git a/LibServer/multithreadserver/multithreadserver.cpp b/LibServer/multithreadserver/multithreadserver.cpp
index 0e52572..1fb23e6 100644
--- a/LibServer/multithreadserver/multithreadserver.cpp
+++ b/LibServer/multithreadserver/multithreadserver.cpp
@@ -162,7 +162,12 @@ bool MultiThreadServer::slot_BlockAutorization(bool block, QString whoFullName,
     {
         blockersMap.take(whoFullName);
         if(!blockersMap.count())
+        {
             this->unBlockAutorization();
+            blockRes = false;
+        }
+        else
+            blockRes = true;
     }
 
     if(res)