diff --git a/client/configurators/openvpn_configurator.cpp b/client/configurators/openvpn_configurator.cpp
index fafb7c2b..eca81afd 100644
--- a/client/configurators/openvpn_configurator.cpp
+++ b/client/configurators/openvpn_configurator.cpp
@@ -13,10 +13,10 @@
     #include <QApplication>
 #endif
 
+#include "core/networkUtilities.h"
 #include "containers/containers_defs.h"
 #include "core/controllers/serverController.h"
 #include "core/scripts_registry.h"
-#include "core/server_defs.h"
 #include "settings.h"
 #include "utilities.h"
 
@@ -24,6 +24,7 @@
 #include <openssl/rsa.h>
 #include <openssl/x509.h>
 
+
 OpenVpnConfigurator::OpenVpnConfigurator(std::shared_ptr<Settings> settings, const QSharedPointer<ServerController> &serverController,
                                          QObject *parent)
     : ConfiguratorBase(settings, serverController, parent)
@@ -122,12 +123,14 @@ QString OpenVpnConfigurator::processConfigWithLocalSettings(const QPair<QString,
 
 #if !defined(Q_OS_ANDROID) && !defined(Q_OS_IOS)
             // Prevent ipv6 leak
-            config.append("ifconfig-ipv6 fd15:53b6:dead::2/64  fd15:53b6:dead::1\n");
+            if (NetworkUtilities::checkIpv6Enabled()) {
+                config.append("ifconfig-ipv6 fd15:53b6:dead::2/64  fd15:53b6:dead::1\n");
+            }
 #endif
             config.append("block-ipv6\n");
         } else if (m_settings->routeMode() == Settings::VpnOnlyForwardSites) {
 
-            // no redirect-gateway
+               // no redirect-gateway
         } else if (m_settings->routeMode() == Settings::VpnAllExceptSites) {
 #if !defined(Q_OS_ANDROID) && !defined(Q_OS_IOS)
             config.append("\nredirect-gateway ipv6 !ipv4 bypass-dhcp\n");
diff --git a/client/core/networkUtilities.cpp b/client/core/networkUtilities.cpp
index a5825f0d..cf33fa55 100644
--- a/client/core/networkUtilities.cpp
+++ b/client/core/networkUtilities.cpp
@@ -12,6 +12,7 @@
     #include <winsock.h>
     #include <QNetworkInterface>
     #include "qendian.h"
+    #include <QSettings>
 #endif
 #ifdef Q_OS_LINUX
     #include <arpa/inet.h>
@@ -185,6 +186,17 @@ int NetworkUtilities::AdapterIndexTo(const QHostAddress& dst) {
     return 0;
 }
 
+bool NetworkUtilities::checkIpv6Enabled() {
+#ifdef Q_OS_WIN
+    QSettings RegHLM("HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Tcpip6\\Parameters",
+                     QSettings::NativeFormat);
+    int ret = RegHLM.value("DisabledComponents", 0).toInt();
+    qDebug() << "Check for Windows disabled IPv6 return " << ret;
+    return (ret != 255);
+#endif
+    return true;
+}
+
 #ifdef Q_OS_WIN
 DWORD GetAdaptersAddressesWrapper(const ULONG Family,
                                   const ULONG Flags,
diff --git a/client/core/networkUtilities.h b/client/core/networkUtilities.h
index 3b64b547..1bd1114c 100644
--- a/client/core/networkUtilities.h
+++ b/client/core/networkUtilities.h
@@ -16,6 +16,7 @@ public:
     static QString getStringBetween(const QString &s, const QString &a, const QString &b);
     static bool checkIPv4Format(const QString &ip);
     static bool checkIpSubnetFormat(const QString &ip);
+    static bool checkIpv6Enabled();
     static QString getGatewayAndIface();
     // Returns the Interface Index that could Route to dst
     static int AdapterIndexTo(const QHostAddress& dst);
@@ -29,7 +30,6 @@ public:
 
     static QString netMaskFromIpWithSubnet(const QString ip);
     static QString ipAddressFromIpWithSubnet(const QString ip);
-
     static QStringList summarizeRoutes(const QStringList &ips, const QString cidr);
 };