diff --git a/MtApi5/MtApi5Client.cs b/MtApi5/MtApi5Client.cs
index fa690dfa..a28348c0 100755
--- a/MtApi5/MtApi5Client.cs
+++ b/MtApi5/MtApi5Client.cs
@@ -48,7 +48,12 @@ namespace MtApi5
         #region Public Methods
         public MtApi5Client()
         {
-            LogConfigurator.Setup(LogProfileName);
+#if (DEBUG)
+            const LogLevel logLevel = LogLevel.Debug;
+#else
+            const LogLevel logLevel = LogLevel.Info;
+#endif
+            LogConfigurator.Setup(LogProfileName, logLevel);
 
             _mtEventHandlers[Mt5EventTypes.OnBookEvent] = ReceivedOnBookEvent;
             _mtEventHandlers[Mt5EventTypes.OnTick] = ReceivedOnTickEvent;
@@ -64,6 +69,7 @@ namespace MtApi5
         ///<param name="port">Port of host connection (default 8222) </param>
         public void BeginConnect(string host, int port)
         {
+            Log.Info($"BeginConnect: host = {host}, port = {port}");
             Task.Factory.StartNew(() => Connect(host, port));
         }
 
@@ -73,6 +79,7 @@ namespace MtApi5
         ///<param name="port">Port of host connection (default 8222) </param>
         public void BeginConnect(int port)
         {
+            Log.Info($"BeginConnect: port = {port}");
             Task.Factory.StartNew(() => Connect(port));
         }
 
@@ -81,6 +88,7 @@ namespace MtApi5
         ///</summary>
         public void BeginDisconnect()
         {
+            Log.Info("BeginDisconnect called.");
             Task.Factory.StartNew(() => Disconnect(false));
         }
 
@@ -3351,6 +3359,8 @@ namespace MtApi5
                 {
                     client.Dispose();
                     message = string.IsNullOrEmpty(client.Host) ? $"Failed connection to localhost:{client.Port}. {e.Message}" : $"Failed connection to {client.Host}:{client.Port}. {e.Message}";
+
+                    Log.Warn(message);
                 }
 
                 if (state == Mt5ConnectionState.Connected)
@@ -3363,6 +3373,8 @@ namespace MtApi5
                     _client.ServerFailed += _client_ServerFailed;
                     _client.MtEventReceived += _client_MtEventReceived;
                     message = string.IsNullOrEmpty(client.Host) ? $"Connected to localhost:{client.Port}" : $"Connected to  { client.Host}:{client.Port}";
+
+                    Log.Info(message);
                 }
 
                 _connectionState = state;
@@ -3477,6 +3489,8 @@ namespace MtApi5
                 _connectionState = state;
             }
 
+            Log.Info(message);
+
             ConnectionStateChanged?.Invoke(this, new Mt5ConnectionEventArgs(state, message));
         }
 
@@ -3487,6 +3501,7 @@ namespace MtApi5
             var client = Client;
             if (client == null)
             {
+                Log.Warn("SendCommand: No connection");
                 throw new Exception("No connection");
             }
 
@@ -3496,16 +3511,19 @@ namespace MtApi5
             }
             catch (CommunicationException ex)
             {
+                Log.Warn($"SendCommand: {ex.Message}");
                 throw new Exception(ex.Message, ex);
             }
 
             if (response == null)
             {
+                Log.Warn("SendCommand: Response from MetaTrader is null");
                 throw new ExecutionException(ErrorCode.ErrCustom, "Response from MetaTrader is null");
             }
 
             if (response.ErrorCode != 0)
             {
+                Log.Warn($"SendCommand: ErrorCode = {response.ErrorCode}. {response}");
                 throw new ExecutionException((ErrorCode)response.ErrorCode, response.ToString());
             }
 
@@ -3529,12 +3547,14 @@ namespace MtApi5
 
             if (res == null)
             {
+                Log.Warn("SendRequest: Response from MetaTrader is null");
                 throw new ExecutionException(ErrorCode.ErrCustom, "Response from MetaTrader is null");
             }
 
             var response = JsonConvert.DeserializeObject<Response<T>>(res);
             if (response.ErrorCode != 0)
             {
+                Log.Warn($"SendRequest: ErrorCode = {response.ErrorCode}. {response}");
                 throw new ExecutionException((ErrorCode)response.ErrorCode, response.ErrorMessage);
             }