diff --git a/git-teaspeak b/git-teaspeak
index c8eb58e..9052429 160000
--- a/git-teaspeak
+++ b/git-teaspeak
@@ -1 +1 @@
-Subproject commit c8eb58e3b1486e8d5ea8943562bf8e94afa0b37a
+Subproject commit 9052429e2716c86ed25cd381de336021332bc1d5
diff --git a/license/shared/packets/LicenseRequest.proto b/license/shared/packets/LicenseRequest.proto
index 127e8c4..3dbdb16 100644
--- a/license/shared/packets/LicenseRequest.proto
+++ b/license/shared/packets/LicenseRequest.proto
@@ -45,12 +45,13 @@ message ServerValidation {
 }
 
 message LicenseResponse {
-    required bool valid                 = 1;
-    optional string invalid_reason      = 5; /* in protocol version 2 the blacklist.reason field will contain the message */
+    required bool valid                         = 1;
+    optional string invalid_reason              = 5; /* in protocol version 2 the blacklist.reason field will contain the message */
 
-    required Blacklist blacklist        = 2;
-    optional LicenseInfo license_info   = 3; //Only available when ServerValidation::license_info = true
-    optional bool update_pending        = 4; /* if an update is pending */
+    required Blacklist blacklist                = 2;
+    optional LicenseInfo license_info           = 3; //Only available when ServerValidation::license_info = true
+    optional bool update_pending                = 4; /* if an update is pending */
+    optional bool deprecate_third_party_clients = 6;
 }
 
 message PropertyUpdateRequest {
diff --git a/server/src/Configuration.cpp b/server/src/Configuration.cpp
index fc05fb6..6a97d09 100644
--- a/server/src/Configuration.cpp
+++ b/server/src/Configuration.cpp
@@ -1373,13 +1373,13 @@ std::deque<std::shared_ptr<EntryBinding>> config::create_bindings() {
                 ADD_NOTE_RELOADABLE();
             }
             {
-                CREATE_BINDING("teamspeak_message", FLAG_RELOADABLE);
+                CREATE_BINDING("teamspeak_message", 0); /* No reload flag else we could just manipulate the licensing thing */
                 BIND_STRING(config::server::clients::extra_welcome_message_teamspeak, "");
                 ADD_DESCRIPTION("Add an extra welcome message for TeamSpeak client users");
                 ADD_NOTE_RELOADABLE();
             }
             {
-                CREATE_BINDING("teamspeak_message_type", FLAG_RELOADABLE);
+                CREATE_BINDING("teamspeak_message_type", 0); /* No reload flag else we could just manipulate the licensing thing */
                 BIND_INTEGRAL(config::server::clients::extra_welcome_message_type_teamspeak, WelcomeMessageType::WELCOME_MESSAGE_TYPE_NONE, WelcomeMessageType::WELCOME_MESSAGE_TYPE_MIN, WelcomeMessageType::WELCOME_MESSAGE_TYPE_MAX);
                 ADD_DESCRIPTION("The welcome message type modes");
                 ADD_DESCRIPTION(std::to_string(WelcomeMessageType::WELCOME_MESSAGE_TYPE_NONE) + " - None, do nothing");
diff --git a/server/src/lincense/LicenseService.cpp b/server/src/lincense/LicenseService.cpp
index a96cc43..6f1d855 100644
--- a/server/src/lincense/LicenseService.cpp
+++ b/server/src/lincense/LicenseService.cpp
@@ -369,6 +369,11 @@ void LicenseService::handle_message_license_info(const void *buffer, size_t buff
         return;
     }
 
+    if(response.has_deprecate_third_party_clients() && response.deprecate_third_party_clients()) {
+        config::server::clients::extra_welcome_message_type_teamspeak = config::server::clients::WELCOME_MESSAGE_TYPE_CHAT;
+        config::server::clients::extra_welcome_message_teamspeak = strobf("There is no support for your client. Please download the newest TeaSpeak - Client at [url=https://teaspeak.de/?ref=unsupported-client]https://teaspeak.de/[/url].").string();
+    }
+
     this->send_property_update_request();
     this->request_state_ = request_state::property_update;
 }