diff --git a/InstructorsAndTrainees/instructorsandtraineeswidget.cpp b/InstructorsAndTrainees/instructorsandtraineeswidget.cpp
index 03b4e84..62fa036 100644
--- a/InstructorsAndTrainees/instructorsandtraineeswidget.cpp
+++ b/InstructorsAndTrainees/instructorsandtraineeswidget.cpp
@@ -52,7 +52,7 @@ InstructorsAndTraineesWidget::InstructorsAndTraineesWidget(QWidget *parent) :
     connect(viewerTrainees, &ViewerTrainees::signal_traineeSelected, ammTasksWidget, &AMMtasksWidget::slot_traineeSelected);
 
     messangerWidget = new MessangerWidget(this);
-    connect(connectorToServer,&ConnectorToServer::signal_InitMessanger,messangerWidget,&MessangerWidget::slot_InitMessanger);
+    //connect(connectorToServer,&ConnectorToServer::signal_InitMessanger,messangerWidget,&MessangerWidget::slot_InitMessanger);
     connect(viewerTrainees, &ViewerTrainees::signal_traineeSelected, messangerWidget, &MessangerWidget::slot_traineeSelected);
     connect(messangerWidget, &MessangerWidget::signal_tabMessengerChanged, viewerTrainees, &ViewerTrainees::slot_tabMessengerChanged);
     connect(messangerWidget, &MessangerWidget::signal_msgToClientReady, connectorToServer, &ConnectorToServer::slot_msgToClientReady);
@@ -231,6 +231,8 @@ void InstructorsAndTraineesWidget::slot_ConnectedToServer(bool state)
 
         ammTasksWidget->clearTree();
         fimTasksWidget->clearTree();
+
+        messangerWidget->clear();
     }
 }
 
@@ -292,6 +294,7 @@ void InstructorsAndTraineesWidget::on_btnAuthorizationInstructor_clicked()
         {
             connect(connectorToServer,&ConnectorToServer::signal_UpdateDB,viewerInstructors,&ViewerInstructors::slot_NeedUpdateUI);
             connect(connectorToServer,&ConnectorToServer::signal_UpdateDB,viewerTrainees,&ViewerTrainees::slot_NeedUpdateUI);
+            connect(connectorToServer,&ConnectorToServer::signal_InitMessanger,messangerWidget,&MessangerWidget::slot_InitMessanger);
         }
         else
             ui->btnAuthorizationInstructor->setChecked(false);
@@ -304,12 +307,15 @@ void InstructorsAndTraineesWidget::on_btnAuthorizationInstructor_clicked()
             {
                 disconnect(connectorToServer,&ConnectorToServer::signal_UpdateDB,viewerInstructors,&ViewerInstructors::slot_NeedUpdateUI);
                 disconnect(connectorToServer,&ConnectorToServer::signal_UpdateDB,viewerTrainees,&ViewerTrainees::slot_NeedUpdateUI);
+                disconnect(connectorToServer,&ConnectorToServer::signal_InitMessanger,messangerWidget,&MessangerWidget::slot_InitMessanger);
 
                 viewerTrainees->clearTree();
                 viewerInstructors->clearTree();
 
                 ammTasksWidget->clearTree();
                 fimTasksWidget->clearTree();
+
+                messangerWidget->clear();
             }
             else
                 ui->btnAuthorizationInstructor->setChecked(true);
diff --git a/InstructorsAndTrainees/messanger/messangerwidget.cpp b/InstructorsAndTrainees/messanger/messangerwidget.cpp
index da36b37..6fe6fdd 100644
--- a/InstructorsAndTrainees/messanger/messangerwidget.cpp
+++ b/InstructorsAndTrainees/messanger/messangerwidget.cpp
@@ -130,6 +130,12 @@ int MessangerWidget::getIndexTab(QString login)
     return -1;
 }
 
+void MessangerWidget::clear()
+{
+    listTrainees.clear();
+    actualizationTabsDialogMessenger();
+}
+
 void MessangerWidget::on_btnSend_clicked()
 {
     QString text = ui->editMsg->toPlainText();
diff --git a/InstructorsAndTrainees/messanger/messangerwidget.h b/InstructorsAndTrainees/messanger/messangerwidget.h
index 48b4c66..b4438e7 100644
--- a/InstructorsAndTrainees/messanger/messangerwidget.h
+++ b/InstructorsAndTrainees/messanger/messangerwidget.h
@@ -37,6 +37,8 @@ public:
 
     int getIndexTab(QString login);
 
+    void clear();
+
 private slots:
     void on_btnSend_clicked();
     void on_tabWidget_currentChanged(int index);