diff --git a/DataBaseLMS/interfacedatabaselms.cpp b/DataBaseLMS/interfacedatabaselms.cpp
index 68e9596..f928ed8 100644
--- a/DataBaseLMS/interfacedatabaselms.cpp
+++ b/DataBaseLMS/interfacedatabaselms.cpp
@@ -42,6 +42,7 @@ bool InterfaceDataBaseLMS::DBisConnected()
     return isConnected();
 }
 
+
 //Инструкторы
 
 bool InterfaceDataBaseLMS::AuthorizationInstructor(QString login, QString password)
diff --git a/ServerLMS/providerdblms.cpp b/ServerLMS/providerdblms.cpp
index bd006ab..0c0984c 100644
--- a/ServerLMS/providerdblms.cpp
+++ b/ServerLMS/providerdblms.cpp
@@ -201,6 +201,27 @@ QString ProviderDBLMS::getNameInstructorByLogin(QString login)
     return res;
 }
 
+bool ProviderDBLMS::deAuthorizationAll()
+{
+    mtxAccess.lock();
+
+    if(! dbLMS->DBisConnected())
+    {
+        mtxAccess.unlock();
+        return false;
+    }
+
+    Q_EMIT signal_BlockAutorization(true);
+
+    bool res1 = dbLMS->deAuthorizationAllTrainees();
+    bool res2 = dbLMS->deAuthorizationAllInstructors();
+
+    Q_EMIT signal_BlockAutorization(false);
+
+    mtxAccess.unlock();
+    return res1 && res2;
+}
+
 QList<Instructor> ProviderDBLMS::GetListAllInstructors()
 {
     QList<Instructor> listInstructors;
diff --git a/ServerLMS/providerdblms.h b/ServerLMS/providerdblms.h
index 96705f9..e2bf040 100644
--- a/ServerLMS/providerdblms.h
+++ b/ServerLMS/providerdblms.h
@@ -25,6 +25,9 @@ public:
     bool deAuthorizationInstructor(QString login);
     QString getNameInstructorByLogin(QString login);
 
+    //Общая деавторизация
+    bool deAuthorizationAll();
+
     //
     QList<Instructor> GetListAllInstructors();    
     QList<Trainee> GetListAllTrainees();
diff --git a/ServerLMS/serverlmswidget.cpp b/ServerLMS/serverlmswidget.cpp
index 4e57eee..435e5fe 100644
--- a/ServerLMS/serverlmswidget.cpp
+++ b/ServerLMS/serverlmswidget.cpp
@@ -39,6 +39,7 @@ ServerLMSWidget::ServerLMSWidget(QWidget *parent) :
 
     providerDBLMS = new ProviderDBLMS(this);
     providerDBLMS->ConnectionToDB();
+    providerDBLMS->deAuthorizationAll();
 
     logger = new Logger(ui->listWidgetLogger);