diff --git a/clearing-parent/clearing-service/src/main/java/ru/spcex/clearing/notification/NotificationSender.java b/clearing-parent/clearing-service/src/main/java/ru/spcex/clearing/notification/NotificationSender.java
new file mode 100644
index 000000000..523033eab
--- /dev/null
+++ b/clearing-parent/clearing-service/src/main/java/ru/spcex/clearing/notification/NotificationSender.java
@@ -0,0 +1,32 @@
+package ru.spcex.clearing.notification;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+import ru.spcex.clearing.platform.messaging.domain.Consts;
+import ru.spcex.clearing.platform.messaging.domain.cud.utilities.NotificationNewRequest;
+import ru.spcex.clearing.platform.messaging.service.sender.KafkaSender;
+import ru.spcex.platform.enumeration.ObjectType;
+import ru.spcex.platform.enumeration.Priority;
+
+@Component
+public class NotificationSender {
+    private final Logger log = LoggerFactory.getLogger(getClass());
+    private final KafkaSender kafkaSender;
+
+    @Autowired
+    public NotificationSender(KafkaSender kafkaSender) {
+        this.kafkaSender = kafkaSender;
+    }
+
+    public void sendNotification(ObjectType objType, String comment, Priority priority) {
+        NotificationNewRequest reviseNotification = new NotificationNewRequest();
+        reviseNotification.setObjectType(ObjectType.rgst.getKey());
+        reviseNotification.setComment(comment);
+        reviseNotification.setPriority(priority.getKey());
+        kafkaSender.sendRequestToQueue(Consts.NOTIFICATION_NEW, reviseNotification);
+        log.info("notification {} sent {}", objType, comment);
+    }
+
+}
diff --git a/clearing-parent/clearing-service/src/main/java/ru/spcex/clearing/session/stage/SessionManager.java b/clearing-parent/clearing-service/src/main/java/ru/spcex/clearing/session/stage/SessionManager.java
index 7a4ea185b..3ab08e000 100644
--- a/clearing-parent/clearing-service/src/main/java/ru/spcex/clearing/session/stage/SessionManager.java
+++ b/clearing-parent/clearing-service/src/main/java/ru/spcex/clearing/session/stage/SessionManager.java
@@ -6,14 +6,15 @@ import org.springframework.stereotype.Service;
 import ru.clearing.classes.statics.data.misc.Session;
 import ru.spcex.clearing.error.ClearingError;
 import ru.spcex.clearing.imdg.IMDGDistributedNames;
+import ru.spcex.clearing.notification.NotificationSender;
 import ru.spcex.clearing.platform.messaging.domain.BaseRequest;
 import ru.spcex.clearing.platform.messaging.domain.cud.schedule.LauncherCommandRequest;
-import ru.spcex.platform.enumeration.Section;
-import ru.spcex.platform.enumeration.SessionStatus;
-import ru.spcex.platform.enumeration.SessionType;
+import ru.spcex.platform.enumeration.*;
 import ru.spcex.platform.imdg.api.Imdg;
 import ru.spcex.platform.imdg.api.ImdgProvider;
+import ru.spcex.platform.utils.enumeration.EnumMessage;
 import ru.spcex.platform.utils.enumeration.IEnumKey;
+import ru.spcex.platform.utils.enumeration.IMessageResolver;
 import ru.spcex.platform.utils.error.ValidationException;
 
 import java.util.Map;
@@ -22,6 +23,8 @@ import java.util.Map;
 public class SessionManager {
     private final Logger log = LoggerFactory.getLogger(getClass());
     private final Imdg<Session> sessionImdg;
+    private final NotificationSender notification;
+    private final IMessageResolver msgs;
 
     private final PrimaryAuctionT0Session primaryAuctionT0Session;
     private final PrimaryAuctionBnSession primaryAuctionBnSession;
@@ -32,11 +35,13 @@ public class SessionManager {
     private final ReturnDepositSession returnDepositSession;
 
     public SessionManager(ImdgProvider imdgProvider,
-                          PrimaryAuctionT0Session primaryAuctionT0Session,
+                          NotificationSender notification, IMessageResolver msgs, PrimaryAuctionT0Session primaryAuctionT0Session,
                           PrimaryAuctionBnSession primaryAuctionBnSession,
                           PrimaryAuctionB0Session primaryAuctionB0Session,
                           SecondaryAuctionT0Session secondaryAuctionT0Session,
                           IntermediateMkrSession intermediateMkrSession, FinalMkrSession finalMkrSession, ReturnDepositSession returnDepositSession) {
+        this.notification = notification;
+        this.msgs = msgs;
         this.primaryAuctionT0Session = primaryAuctionT0Session;
         this.primaryAuctionBnSession = primaryAuctionBnSession;
         this.primaryAuctionB0Session = primaryAuctionB0Session;
@@ -83,7 +88,9 @@ public class SessionManager {
         ));
         if (existActiveSession != null) {
             log.warn("Can not start new session, cause exist active session.id={}", existActiveSession.getId());
-            throw new ValidationException(ClearingError.ActiveSessionIsPresent, String.valueOf(existActiveSession.getId()));
+            EnumMessage err = new EnumMessage(ClearingError.ActiveSessionIsPresent, String.valueOf(existActiveSession.getId()));
+            notification.sendNotification(ObjectType.session, msgs.resolve(err), Priority.HIGH);
+            throw new ValidationException(err);
         }
     }
 }
diff --git a/platform-parent/platform-enum/src/main/java/ru/spcex/platform/enumeration/ObjectType.java b/platform-parent/platform-enum/src/main/java/ru/spcex/platform/enumeration/ObjectType.java
index 965f40f6b..56a090cc6 100644
--- a/platform-parent/platform-enum/src/main/java/ru/spcex/platform/enumeration/ObjectType.java
+++ b/platform-parent/platform-enum/src/main/java/ru/spcex/platform/enumeration/ObjectType.java
@@ -3,7 +3,7 @@ package ru.spcex.platform.enumeration;
 import ru.spcex.platform.utils.enumeration.IEnumKey;
 
 public enum ObjectType implements IEnumKey {
-    statement("STMT"), vfrs("VFRS"), rgst("RGST"), gateway("GTWY");
+    statement("STMT"), vfrs("VFRS"), rgst("RGST"), gateway("GTWY"), session("SESN");
 
     private final String key;