diff --git a/cura/PrinterOutput/NetworkedPrinterOutputDevice.py b/cura/PrinterOutput/NetworkedPrinterOutputDevice.py
index 86af368a86..6322eb87d1 100644
--- a/cura/PrinterOutput/NetworkedPrinterOutputDevice.py
+++ b/cura/PrinterOutput/NetworkedPrinterOutputDevice.py
@@ -3,7 +3,6 @@
 
 from UM.Application import Application
 from UM.Logger import Logger
-from cura.CuraApplication import CuraApplication
 
 from cura.PrinterOutputDevice import PrinterOutputDevice, ConnectionState
 
@@ -255,8 +254,8 @@ class NetworkedPrinterOutputDevice(PrinterOutputDevice):
         self._last_manager_create_time = time()
         self._manager.authenticationRequired.connect(self._onAuthenticationRequired)
 
-        machine_manager = CuraApplication.getInstance().getMachineManager()
-        machine_manager.checkCorrectGroupName(self.getId(), self.name)
+        if b'temporary' not in self._properties:
+            Application.getInstance().getMachineManager().checkCorrectGroupName(self.getId(), self.name)
 
     def _registerOnFinishedCallback(self, reply: QNetworkReply, onFinished: Optional[Callable[[Any, QNetworkReply], None]]) -> None:
         if onFinished is not None:
diff --git a/cura/Settings/MachineManager.py b/cura/Settings/MachineManager.py
index 389c4e4de3..5c6769bc7d 100755
--- a/cura/Settings/MachineManager.py
+++ b/cura/Settings/MachineManager.py
@@ -1308,8 +1308,8 @@ class MachineManager(QObject):
             # Check if the connect_group_name is correct. If not, update all the containers connected to the same printer
             if self.activeMachineNetworkGroupName != group_name:
                 metadata_filter = {"um_network_key": self.activeMachineNetworkKey}
-                hidden_containers = ContainerRegistry.getInstance().findContainerStacks(type = "machine", **metadata_filter)
-                for container in hidden_containers:
+                containers = ContainerRegistry.getInstance().findContainerStacks(type = "machine", **metadata_filter)
+                for container in containers:
                     container.setMetaDataEntry("connect_group_name", group_name)
 
     ##  This method checks if there is an instance connected to the given network_key
diff --git a/plugins/UM3NetworkPrinting/UM3OutputDevicePlugin.py b/plugins/UM3NetworkPrinting/UM3OutputDevicePlugin.py
index bf5ac96197..6730699c9b 100644
--- a/plugins/UM3NetworkPrinting/UM3OutputDevicePlugin.py
+++ b/plugins/UM3NetworkPrinting/UM3OutputDevicePlugin.py
@@ -162,7 +162,8 @@ class UM3OutputDevicePlugin(OutputDevicePlugin):
             b"name": address.encode("utf-8"),
             b"address": address.encode("utf-8"),
             b"manual": b"true",
-            b"incomplete": b"true"
+            b"incomplete": b"true",
+            b"temporary": b"true"   # Still a temporary device until all the info is retrieved in _onNetworkRequestFinished
         }
 
         if instance_name not in self._discovered_devices: