diff --git a/pom.xml b/pom.xml
index d2b02b27..99b11afc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
   <packaging>jar</packaging>
 
   <properties>
-    <sebserver-version>1.4-rc1</sebserver-version>
+    <sebserver-version>1.4.0-SNAPSHOT</sebserver-version>
     <build-version>${sebserver-version}</build-version>
     <revision>${sebserver-version}</revision>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/src/main/java/ch/ethz/seb/sebserver/gbl/model/session/RunningExamInfo.java b/src/main/java/ch/ethz/seb/sebserver/gbl/model/session/RunningExamInfo.java
index 4d795bf0..d12db3c1 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gbl/model/session/RunningExamInfo.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gbl/model/session/RunningExamInfo.java
@@ -11,6 +11,7 @@ package ch.ethz.seb.sebserver.gbl.model.session;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import ch.ethz.seb.sebserver.gbl.Constants;
 import ch.ethz.seb.sebserver.gbl.model.exam.Exam;
 import ch.ethz.seb.sebserver.gbl.model.institution.LmsSetup.LmsType;
 
@@ -47,7 +48,7 @@ public final class RunningExamInfo {
         this.examId = exam.getModelId();
         this.name = exam.name;
         this.url = exam.getStartURL();
-        this.lmsType = (lmsType == null) ? "" : lmsType.name();
+        this.lmsType = (lmsType == null) ? Constants.EMPTY_NOTE : lmsType.name();
     }
 
     public String getExamId() {
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ExamDAOImpl.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ExamDAOImpl.java
index 80b880ed..665e7b91 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ExamDAOImpl.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ExamDAOImpl.java
@@ -648,6 +648,9 @@ public class ExamDAOImpl implements ExamDAO {
                 .and(
                         ExamRecordDynamicSqlSupport.status,
                         isEqualTo(ExamStatus.RUNNING.name()))
+                .and(
+                        ExamRecordDynamicSqlSupport.lmsAvailable,
+                        isEqualToWhenPresent(BooleanUtils.toIntegerObject(true)))
                 .build()
                 .execute());
     }
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/ExamAPI_V1_Controller.java b/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/ExamAPI_V1_Controller.java
index a6a042b1..8e6aa53f 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/ExamAPI_V1_Controller.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/ExamAPI_V1_Controller.java
@@ -137,6 +137,7 @@ public class ExamAPI_V1_Controller {
                                 .getOrThrow()
                                 .stream()
                                 .map(this::createRunningExamInfo)
+                                .filter(this::checkConsistency)
                                 .collect(Collectors.toList());
                     } else {
                         final Exam exam = this.examSessionService.getExamDAO()
@@ -158,6 +159,18 @@ public class ExamAPI_V1_Controller {
                 this.executor);
     }
 
+    private boolean checkConsistency(final RunningExamInfo info) {
+        if (StringUtils.isNotBlank(info.name) &&
+                StringUtils.isNotBlank(info.url) &&
+                StringUtils.isNotBlank(info.examId)) {
+
+            return true;
+        }
+
+        log.warn("Invalid running exam detected. Filter out exam : {}", info);
+        return false;
+    }
+
     @RequestMapping(
             path = API.EXAM_API_HANDSHAKE_ENDPOINT,
             method = RequestMethod.PATCH,
diff --git a/src/test/resources/data-test-additional.sql b/src/test/resources/data-test-additional.sql
index a1a7ae5d..377469b1 100644
--- a/src/test/resources/data-test-additional.sql
+++ b/src/test/resources/data-test-additional.sql
@@ -9,13 +9,14 @@ INSERT IGNORE INTO seb_client_configuration VALUES
     
 INSERT IGNORE INTO additional_attributes VALUES
     (1, 'SEB_CLIENT_CONFIGURATION', 2, 'vdiSetup', 'VM_WARE'),
-    (2, 'SEB_CLIENT_CONFIGURATION', 2, 'vdiExecutable', 'vmware-view.exe')
+    (2, 'SEB_CLIENT_CONFIGURATION', 2, 'vdiExecutable', 'vmware-view.exe'),
+    (3, 'EXAM', 2, 'quiz_start_url', 'https://test.lms.mockup')
     ;
     
 INSERT IGNORE INTO exam VALUES
-    (1, 1, 1, 'quiz1', 'admin', 'admin', 'MANAGED', null, null, 'UP_COMING', 1, 0, null, 1, null, null, null, null, null, null),
-    (2, 1, 1, 'quiz6', 'admin', 'admin', 'MANAGED', null, null, 'RUNNING', 1, 0, null, 1, null, null, null, null, null, null),
-    (3, 1, 1, 'quiz3', 'admin', 'admin', 'MANAGED', null, null, 'FINISHED', 1, 0, null, 1, null, null, null, null, null, null)
+    (1, 1, 1, 'quiz1', 'admin', 'admin', 'MANAGED', null, null, 'UP_COMING', 1, 0, null, 1, null, null, 'quiz1', null, null, 1),
+    (2, 1, 1, 'quiz6', 'admin', 'admin', 'MANAGED', null, null, 'RUNNING', 1, 0, null, 1, null, null, 'quiz6', null, null, 1),
+    (3, 1, 1, 'quiz3', 'admin', 'admin', 'MANAGED', null, null, 'FINISHED', 1, 0, null, 1, null, null, 'quiz3', null, null, 1)
     ;
     
 INSERT IGNORE INTO indicator VALUES