diff --git a/openvidu-server/deployments/pro/docker-compose/aws-asg-openvidu-server-pro/docker-compose.yml b/openvidu-server/deployments/pro/docker-compose/aws-asg-openvidu-server-pro/docker-compose.yml
index 73ea2487..4f9699b0 100644
--- a/openvidu-server/deployments/pro/docker-compose/aws-asg-openvidu-server-pro/docker-compose.yml
+++ b/openvidu-server/deployments/pro/docker-compose/aws-asg-openvidu-server-pro/docker-compose.yml
@@ -41,7 +41,7 @@ services:
             - KMS_URIS=[]
             - OPENVIDU_WEBHOOK=false
             - OPENVIDU_WEBHOOK_ENDPOINT=http://127.0.0.1:7777/webhook
-            - OPENVIDU_PRO_REPLICATION_MANAGER_WEBHOOK=http://127.0.0.1:4443/openvidu/replication-manager-webhook?OPENVIDU_SECRET=${OPENVIDU_SECRET}
+            - MULTI_MASTER_REPLICATION_MANAGER_WEBHOOK=http://127.0.0.1:4443/openvidu/replication-manager-webhook?OPENVIDU_SECRET=${OPENVIDU_SECRET}
             - COTURN_REDIS_IP=127.0.0.1
             - COTURN_REDIS_PASSWORD=${OPENVIDU_SECRET}
             - COTURN_IP=${COTURN_IP:-auto-ipv4}
@@ -70,6 +70,7 @@ services:
             - REDIS_TIMEOUT=5
             - REDIS_DB=replicationmanager
             - MEDIANODE_AS_NOTIFICATION_QUEUE=${RM_SQS_QUEUE}
+            - AWS_INSTANCE_ID=${AWS_INSTANCE_ID}
         logging:
             options:
                 max-size: "${DOCKER_LOGS_MAX_SIZE:-100M}"
diff --git a/openvidu-server/src/main/java/io/openvidu/server/cdr/CDREventNodeCrashed.java b/openvidu-server/src/main/java/io/openvidu/server/cdr/CDREventNodeCrashed.java
index d9aef1b1..d217a2a3 100644
--- a/openvidu-server/src/main/java/io/openvidu/server/cdr/CDREventNodeCrashed.java
+++ b/openvidu-server/src/main/java/io/openvidu/server/cdr/CDREventNodeCrashed.java
@@ -5,34 +5,45 @@ import java.util.List;
 import com.google.gson.JsonArray;
 import com.google.gson.JsonObject;
 
-import io.openvidu.server.kurento.kms.Kms;
-
 public class CDREventNodeCrashed extends CDREvent {
 
-	private Kms kms;
+	public enum NodeRole {
+		masternode, medianode
+	}
+
+	private String id;
+	private String environmentId;
+	private String ip;
+	private String uri;
+	private NodeRole nodeRole;
 	private List<String> sessionIds;
 	private List<String> recordingIds;
-	private String environmentId;
+	private String clusterId;
 
-	public CDREventNodeCrashed(CDREventName eventName, Long timeStamp, Kms kms, String environmentId,
-			List<String> sessionIds, List<String> recordingIds) {
-		super(eventName, null, null, timeStamp);
-		this.kms = kms;
+	public CDREventNodeCrashed(Long timeStamp, String id, String environmentId, String ip, String uri,
+			NodeRole nodeRole, List<String> sessionIds, List<String> recordingIds, String clusterId) {
+		super(CDREventName.nodeCrashed, null, null, timeStamp);
+		this.id = id;
+		this.environmentId = environmentId;
+		this.ip = ip;
+		this.uri = uri;
+		this.nodeRole = nodeRole;
 		this.sessionIds = sessionIds;
 		this.recordingIds = recordingIds;
-		this.environmentId = environmentId;
+		this.clusterId = clusterId;
 	}
 
 	@Override
 	public JsonObject toJson() {
 		JsonObject json = super.toJson();
 
-		json.addProperty("id", this.kms.getId());
+		json.addProperty("id", this.id);
 		if (this.environmentId != null) {
 			json.addProperty("environmentId", this.environmentId);
 		}
-		json.addProperty("ip", this.kms.getIp());
-		json.addProperty("uri", this.kms.getUri());
+		json.addProperty("ip", this.ip);
+		json.addProperty("uri", this.uri);
+		json.addProperty("nodeRole", this.nodeRole.name());
 
 		JsonArray sIds = new JsonArray();
 		this.sessionIds.forEach(sId -> sIds.add(sId));
@@ -41,6 +52,7 @@ public class CDREventNodeCrashed extends CDREvent {
 		JsonArray rIds = new JsonArray();
 		this.recordingIds.forEach(rId -> rIds.add(rId));
 		json.add("recordingIds", rIds);
+		json.addProperty("clusterId", this.clusterId);
 
 		return json;
 	}
diff --git a/openvidu-server/src/main/java/io/openvidu/server/cdr/CallDetailRecord.java b/openvidu-server/src/main/java/io/openvidu/server/cdr/CallDetailRecord.java
index 215f16d4..0ccfc9bd 100644
--- a/openvidu-server/src/main/java/io/openvidu/server/cdr/CallDetailRecord.java
+++ b/openvidu-server/src/main/java/io/openvidu/server/cdr/CallDetailRecord.java
@@ -19,7 +19,6 @@ package io.openvidu.server.cdr;
 
 import java.util.Collection;
 import java.util.Iterator;
-import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
@@ -37,7 +36,6 @@ import io.openvidu.server.core.Participant;
 import io.openvidu.server.core.Session;
 import io.openvidu.server.core.SessionManager;
 import io.openvidu.server.kurento.endpoint.KmsEvent;
-import io.openvidu.server.kurento.kms.Kms;
 import io.openvidu.server.recording.Recording;
 import io.openvidu.server.recording.service.RecordingManager;
 import io.openvidu.server.summary.SessionSummary;
@@ -194,13 +192,6 @@ public class CallDetailRecord {
 		this.log(new CDREventSignal(sessionId, uniqueSessionId, from, to, type, data));
 	}
 
-	public void recordNodeCrashed(Kms kms, String environmentId, long timeOfKurentoDisconnection,
-			List<String> sessionIds, List<String> recordingIds) {
-		CDREvent e = new CDREventNodeCrashed(CDREventName.nodeCrashed, timeOfKurentoDisconnection, kms, environmentId,
-				sessionIds, recordingIds);
-		this.log(e);
-	}
-
 	protected void log(CDREvent event) {
 		this.loggers.forEach(logger -> {
 
diff --git a/openvidu-server/src/main/java/io/openvidu/server/core/SessionEventsHandler.java b/openvidu-server/src/main/java/io/openvidu/server/core/SessionEventsHandler.java
index 45c5523e..f041792b 100644
--- a/openvidu-server/src/main/java/io/openvidu/server/core/SessionEventsHandler.java
+++ b/openvidu-server/src/main/java/io/openvidu/server/core/SessionEventsHandler.java
@@ -38,6 +38,7 @@ import io.openvidu.client.OpenViduException;
 import io.openvidu.client.OpenViduException.Code;
 import io.openvidu.client.internal.ProtocolElements;
 import io.openvidu.java.client.OpenViduRole;
+import io.openvidu.server.cdr.CDREventNodeCrashed;
 import io.openvidu.server.cdr.CallDetailRecord;
 import io.openvidu.server.config.OpenviduBuildInfo;
 import io.openvidu.server.config.OpenviduConfig;
@@ -645,7 +646,7 @@ public class SessionEventsHandler {
 			List<String> recordingIds) {
 	}
 
-	public void onMasterNodeCrashed() {
+	public void onMasterNodeCrashed(CDREventNodeCrashed event) {
 	}
 
 	public void storeRecordingToSendClientEvent(Recording recording) {
diff --git a/openvidu-server/src/main/java/io/openvidu/server/rest/RequestMappings.java b/openvidu-server/src/main/java/io/openvidu/server/rest/RequestMappings.java
index f842ee85..9b2a7f3b 100644
--- a/openvidu-server/src/main/java/io/openvidu/server/rest/RequestMappings.java
+++ b/openvidu-server/src/main/java/io/openvidu/server/rest/RequestMappings.java
@@ -10,6 +10,7 @@ public class RequestMappings {
 	final public static String CDR = "/openvidu/cdr";
 	final public static String API_ELK = "/openvidu/elk";
 	final public static String API_INSPECTOR = "/openvidu/inspector-api";
+	final public static String API_MULTI_MASTER = "/openvidu/multi-master";
 	// Static resources
 	final public static String RECORDINGS = "/openvidu/recordings";
 	final public static String CUSTOM_LAYOUTS = "/openvidu/layouts";
diff --git a/openvidu-server/src/main/java/io/openvidu/server/webhook/HttpWebhookSender.java b/openvidu-server/src/main/java/io/openvidu/server/webhook/HttpWebhookSender.java
index 9bd14f6c..34408690 100644
--- a/openvidu-server/src/main/java/io/openvidu/server/webhook/HttpWebhookSender.java
+++ b/openvidu-server/src/main/java/io/openvidu/server/webhook/HttpWebhookSender.java
@@ -149,7 +149,7 @@ public class HttpWebhookSender {
 	 *                     endpoint B) The response received from the endpoint is
 	 *                     not 200
 	 */
-	public void sendHttpPostCallbackBlocking(CDREvent event) throws IOException {
+	private void sendHttpPostCallbackBlocking(CDREvent event) throws IOException {
 
 		if (!this.events.contains(event.getEventName())) {
 			return;