diff --git a/core/pluginmsg.h b/core/pluginmsg.h
index 7a43ee2..ec4e9cb 100755
--- a/core/pluginmsg.h
+++ b/core/pluginmsg.h
@@ -64,6 +64,15 @@
 // in l1 you have the old id, in l2 you have the new id
 #define WINIX_SESSION_CHANGED_ID			30025
 
+// a session is going to be removed
+// it is called from session manager's thread (with lock/unlock)
+#define	WINIX_PREPARE_SESSION_TO_REMOVE		30027
+
+// a session has been removed
+// it is called from session manager's thread (with lock/unlock)
+// in l1 you have the old session id
+#define WINIX_SESSION_REMOVED				30029
+
 // the winix is closing
 // there is not any sessions available (cur->session is null)
 // session pointer is null
diff --git a/core/sessionmanager.cpp b/core/sessionmanager.cpp
index 4a4345c..2eaae89 100755
--- a/core/sessionmanager.cpp
+++ b/core/sessionmanager.cpp
@@ -514,7 +514,11 @@ void SessionManager::DeleteSession(Session * del_session)
 		del_session->puser = 0;
 	}
 
+	long id = del_session->id;
+
+	plugin.Call(del_session, WINIX_PREPARE_SESSION_TO_REMOVE);
 	session_tab.EraseById(del_session->id);
+	plugin.Call((Session*)0, WINIX_SESSION_REMOVED, id);
 }