diff --git a/integration-tests/conf/standalone.conf b/integration-tests/conf/standalone.conf
index c816c8fd16..5cc004ed1f 100644
--- a/integration-tests/conf/standalone.conf
+++ b/integration-tests/conf/standalone.conf
@@ -83,6 +83,8 @@ maxUnackedMessagesPerConsumer=50000
 # Set maxMessageSize to 1MB rather than the default value 5MB for testing
 maxMessageSize=1048576
 
+brokerDeduplicationEnabled=true
+
 ### --- Authentication --- ###
 
 # Enable TLS
diff --git a/pulsar/producer_partition.go b/pulsar/producer_partition.go
index fbcc5b9776..268da5f94c 100755
--- a/pulsar/producer_partition.go
+++ b/pulsar/producer_partition.go
@@ -1274,14 +1274,18 @@ func (p *partitionProducer) ReceivedSendReceipt(response *pb.CommandSendReceipt)
 
 	if pi.sequenceID < response.GetSequenceId() {
 		// Force connection closing so that messages can be re-transmitted in a new connection
-		p.log.Warnf("Received ack for %v on sequenceId %v - expected: %v, local < remote, closing connection",
-			response.GetMessageId(), response.GetSequenceId(), pi.sequenceID)
+		p.log.Warnf("Received ack for ledgerId:%d entryId:%d on sequenceId %v - expected: %v, local < remote, "+
+			"closing connection",
+			int64(*response.GetMessageId().LedgerId), int64(*response.GetMessageId().EntryId), response.GetSequenceId(),
+			pi.sequenceID)
 		p._getConn().Close()
 		return
 	} else if pi.sequenceID > response.GetSequenceId() {
 		// Ignoring the ack since it's referring to a message that has already timed out.
-		p.log.Warnf("Received ack for %v on sequenceId %v - expected: %v, local > remote, ignore it",
-			response.GetMessageId(), response.GetSequenceId(), pi.sequenceID)
+		p.log.Warnf("Received ack for ledgerId:%d entryId:%d on sequenceId %v - expected: %v, local > remote, "+
+			"ignore it",
+			int64(*response.GetMessageId().LedgerId), int64(*response.GetMessageId().EntryId), response.GetSequenceId(),
+			pi.sequenceID)
 		return
 	} else {
 		// The ack was indeed for the expected item in the queue, we can remove it and trigger the callback
diff --git a/pulsar/producer_test.go b/pulsar/producer_test.go
index ba5911565e..9eea9abec2 100644
--- a/pulsar/producer_test.go
+++ b/pulsar/producer_test.go
@@ -2385,6 +2385,36 @@ func TestSendConcurrently(t *testing.T) {
 	wg.Wait()
 }
 
+func TestProducerSendDuplicatedMessages(t *testing.T) {
+	client, err := NewClient(ClientOptions{
+		URL: lookupURL,
+	})
+	assert.NoError(t, err)
+	defer client.Close()
+	testProducer, err := client.CreateProducer(ProducerOptions{
+		Topic: newTopicName(),
+	})
+
+	assert.NoError(t, err)
+	assert.NotNil(t, testProducer)
+	_, err = testProducer.Send(context.Background(), &ProducerMessage{
+		Payload: make([]byte, 1024),
+	})
+	assert.NoError(t, err)
+	for i := 0; i < 3; i++ {
+		var seqID int64
+		msgID, err := testProducer.Send(context.Background(), &ProducerMessage{
+			Payload:    make([]byte, 1024),
+			SequenceID: &seqID,
+		})
+		assert.NoError(t, err)
+		assert.NotNil(t, msgID)
+		assert.Equal(t, int64(-1), msgID.LedgerID())
+		assert.Equal(t, int64(-1), msgID.EntryID())
+	}
+	testProducer.Close()
+}
+
 type pendingQueueWrapper struct {
 	pendingQueue   internal.BlockingQueue
 	writtenBuffers *[]internal.Buffer