diff --git a/src/main/java/ch/ethz/seb/sebserver/gbl/model/exam/Exam.java b/src/main/java/ch/ethz/seb/sebserver/gbl/model/exam/Exam.java
index 87a6dbb0..8f7e10ce 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gbl/model/exam/Exam.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gbl/model/exam/Exam.java
@@ -426,7 +426,7 @@ public final class Exam implements GrantEntity {
         builder.append(", name=");
         builder.append(this.name);
         builder.append(", description=");
-        builder.append(this.getDescription());
+        builder.append(Utils.truncateText(this.getDescription(), 255));
         builder.append(", startTime=");
         builder.append(this.startTime);
         builder.append(", endTime=");
diff --git a/src/main/java/ch/ethz/seb/sebserver/gbl/util/Utils.java b/src/main/java/ch/ethz/seb/sebserver/gbl/util/Utils.java
index dc6f696a..7e0d736b 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gbl/util/Utils.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gbl/util/Utils.java
@@ -821,6 +821,18 @@ public final class Utils {
         return false;
     }
 
+    public static boolean isEqualsWithEmptyCheckTruncated(final String s1, final String s2) {
+        if (s2 == null || s1 == null) {
+            return false;
+        }
+
+        if (s1.endsWith("...")) {
+            return Objects.equals(truncateText(s1, 1000), truncateText(s2, 1000));
+        } else {
+            return Objects.equals(s1, s2);
+        }
+    }
+
     public static Long toLong(final String longValue) {
         try {
             return Long.valueOf(longValue);
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/session/impl/ExamSessionServiceImpl.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/session/impl/ExamSessionServiceImpl.java
index 80178cc5..d49e8c4d 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/session/impl/ExamSessionServiceImpl.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/session/impl/ExamSessionServiceImpl.java
@@ -467,15 +467,15 @@ public class ExamSessionServiceImpl implements ExamSessionService {
             final Set<Long> connectionIds) {
 
         this.duplicateCheck.clear();
-        this.duplicates.clear();
+        final Set<Long> duplicates = new HashSet<>();
         return this.clientConnectionDAO
                 .getConnectionTokens(examId)
                 .map(tokens -> tokens.stream()
-                        .map(this::getForTokenAndCheckDuplication)
+                        .map(token -> this.getForTokenAndCheckDuplication(token, duplicates))
                         .filter(ccd -> connectionIds.contains(ccd.clientConnection.id))
                         .map(ccd -> ccd.clientStaticData)
                         .collect(Collectors.toList()))
-                .map(staticData -> new MonitoringStaticClientData(staticData, this.duplicates));
+                .map(staticData -> new MonitoringStaticClientData(staticData, duplicates));
     }
 
     @Override
@@ -633,17 +633,19 @@ public class ExamSessionServiceImpl implements ExamSessionService {
     }
 
     private final Map<String, Long> duplicateCheck = new HashMap<>();
-    private final Set<Long> duplicates = new HashSet<>();
 
-    private ClientConnectionDataInternal getForTokenAndCheckDuplication(final String token) {
+    private ClientConnectionDataInternal getForTokenAndCheckDuplication(
+            final String token,
+            final Set<Long> duplicates) {
+
         final ClientConnectionDataInternal cc = this.examSessionCacheService.getClientConnection(token);
         if (cc.clientConnection.status.duplicateCheckStatus) {
             final Long id = this.duplicateCheck.put(
                     cc.clientConnection.userSessionId,
                     cc.getConnectionId());
             if (id != null) {
-                this.duplicates.add(id);
-                this.duplicates.add(cc.getConnectionId());
+                duplicates.add(id);
+                duplicates.add(cc.getConnectionId());
             }
         }
         return cc;
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/session/impl/ExamUpdateHandler.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/session/impl/ExamUpdateHandler.java
index f76b3a67..665e9400 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/session/impl/ExamUpdateHandler.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/session/impl/ExamUpdateHandler.java
@@ -355,22 +355,21 @@ class ExamUpdateHandler {
         if (!Utils.isEqualsWithEmptyCheck(exam.name, quizData.name) ||
                 !Objects.equals(exam.startTime, quizData.startTime) ||
                 !Objects.equals(exam.endTime, quizData.endTime) ||
-                !Utils.isEqualsWithEmptyCheck(exam.getDescription(), quizData.description) ||
+                !Utils.isEqualsWithEmptyCheckTruncated(exam.getDescription(), quizData.description) ||
                 !Utils.isEqualsWithEmptyCheck(exam.getStartURL(), quizData.startURL)) {
 
             if (!Utils.isEqualsWithEmptyCheck(exam.name, quizData.name)) {
-                log.info("Update name difference from LMS. Exam:{}, QuizData: {}", exam.name, quizData.name);
+                log.info("Update name difference from LMS. Exam: {}, QuizData: {}", exam.name, quizData.name);
             }
             if (!Objects.equals(exam.startTime, quizData.startTime)) {
-                log.info("Update startTime difference from LMS. Exam:{}, QuizData: {}", exam.startTime,
+                log.info("Update startTime difference from LMS. Exam: {}, QuizData: {}", exam.startTime,
                         quizData.startTime);
             }
             if (!Objects.equals(exam.endTime, quizData.endTime)) {
-                log.info("Update endTime difference from LMS. Exam:{}, QuizData: {}", exam.endTime, quizData.endTime);
+                log.info("Update endTime difference from LMS. Exam: {}, QuizData: {}", exam.endTime, quizData.endTime);
             }
-            if (!Utils.isEqualsWithEmptyCheck(exam.getDescription(), quizData.description)) {
-                log.info("Update description difference from LMS. Exam:{}, QuizData: {}", exam.getDescription(),
-                        quizData.description);
+            if (!Utils.isEqualsWithEmptyCheckTruncated(exam.getDescription(), quizData.description)) {
+                log.info("Update description difference from LMS. Exam: {}", exam);
             }
             if (!Utils.isEqualsWithEmptyCheck(exam.getStartURL(), quizData.startURL)) {
                 log.info("Update startURL difference from LMS. Exam:{}, QuizData: {}",