diff --git a/Simulator/src/main/java/net/calc/StartAnySimulator.java b/Simulator/src/main/java/net/calc/StartAnySimulator.java
index 1376247..b8f664a 100644
--- a/Simulator/src/main/java/net/calc/StartAnySimulator.java
+++ b/Simulator/src/main/java/net/calc/StartAnySimulator.java
@@ -153,6 +153,16 @@ public String check(final CallcenterRunModel checkedRunModel) {
 	 * @see CallcenterSimulatorInterface
 	 */
 	public CallcenterSimulatorInterface run() {
+		return run(true);
+	}
+
+	/**
+	 * Startet die Simulation
+	 * @param allowIncreaseDays	Darf die Anzahl an simulierten Tagen erhöht werden? (Wenn dies in der Konfiguration eingestellt ist.)
+	 * @return	Interface über das auf den lokalen Simulator oder den Wrapper für die Netzwerksimulation zugegriffen werden kann
+	 * @see CallcenterSimulatorInterface
+	 */
+	public CallcenterSimulatorInterface run(final boolean allowIncreaseDays) {
 		final SetupData setup=SetupData.getSetup();
 
 		CallcenterSimulatorInterface simulator;
@@ -166,7 +176,7 @@ public CallcenterSimulatorInterface run() {
 			simulator=new RemoteAndLocalComplexCallcenterSimulator(editModel,setup.getRealMaxThreadNumber(),networkParts,networkServers,networkPorts,networkPasswords);
 		} else {
 			int threadCount=Math.min(setup.getRealMaxThreadNumber(),Runtime.getRuntime().availableProcessors());
-			if (setup.increaseNumberOfDays) {
+			if (setup.increaseNumberOfDays && allowIncreaseDays) {
 				int days=runModel.editModel.days;
 				while (days%threadCount!=0) days++;
 				runModel.editModel.days=days;
diff --git a/Simulator/src/main/java/ui/connected/ConnectedSimulation.java b/Simulator/src/main/java/ui/connected/ConnectedSimulation.java
index fd00ac6..49bff79 100644
--- a/Simulator/src/main/java/ui/connected/ConnectedSimulation.java
+++ b/Simulator/src/main/java/ui/connected/ConnectedSimulation.java
@@ -424,7 +424,7 @@ public String initNextSimulation(File logFile) {
 		/* Simulation starten */
 		StartAnySimulator startAnySimulator=new StartAnySimulator(editModel);
 		s=startAnySimulator.check(); if (s!=null) return s;
-		simulator=startAnySimulator.run();
+		simulator=startAnySimulator.run(false);
 		simulator.start(false);
 
 		return null;
diff --git a/Simulator/src/main/java/ui/help/pages_de/Changelog.html b/Simulator/src/main/java/ui/help/pages_de/Changelog.html
index ffde403..76b69af 100644
--- a/Simulator/src/main/java/ui/help/pages_de/Changelog.html
+++ b/Simulator/src/main/java/ui/help/pages_de/Changelog.html
@@ -14,6 +14,7 @@ <h1>Versionsgeschichte</h1>
 <h2>6.1.234 (xx.x.2025)</h2>
 <ul>
   <li>Neue unterstützte Wahrscheinlichkeitsverteilungen: Negative hypergeometrische Verteilung, U-quadratische Verteilung, reziproke Verteilung, Kumaraswamy-Verteilung, Irwin-Hall-Verteilung, Sinus-Verteilung und Arcus Sinus-Verteilung</li>
+  <li>[Fix] Probleme bei der Verwendung der verbundenen Simulation, wenn die Anpassung der Anzahl der simulierten Tage an die Anzahl an verfübaren CPU-Kernen aktiviert war</li>
 </ul>
 
 <h2>6.0.233 (22.7.2024)</h2>
diff --git a/Simulator/src/main/java/ui/help/pages_en/Changelog.html b/Simulator/src/main/java/ui/help/pages_en/Changelog.html
index 6253fb0..4cb3c9b 100644
--- a/Simulator/src/main/java/ui/help/pages_en/Changelog.html
+++ b/Simulator/src/main/java/ui/help/pages_en/Changelog.html
@@ -14,6 +14,7 @@ <h1>Version history</h1>
 <h2>6.1.234 (2025-0x-xx)</h2>
 <ul>
   <li>New supported distributions: Negative hypergeometric distribution, U-quadratic distribution, reciprocal distribution, Kumaraswamy distribution, Irwin-Hall distribution, sine distribution and arcsine distribution</li>
+  <li>[Fix] Problems using the connected simulation when the adjustment of the number of simulated days to the number of available CPU cores was activated</li>
 </ul>
 
 <h2>6.0.233 (2024-07-22)</h2>