diff --git a/server/src/uds/core/services/generics/dynamic/service.py b/server/src/uds/core/services/generics/dynamic/service.py
index 60eadd889..eeaf98784 100644
--- a/server/src/uds/core/services/generics/dynamic/service.py
+++ b/server/src/uds/core/services/generics/dynamic/service.py
@@ -174,13 +174,17 @@ class DynamicService(services.Service, abc.ABC):  # pylint: disable=too-many-pub
 
     @abc.abstractmethod
     def get_mac(
-        self, caller_instance: typing.Optional['DynamicUserService | DynamicPublication'], vmid: str
+        self,
+        caller_instance: typing.Optional['DynamicUserService | DynamicPublication'],
+        vmid: str,
+        *,
+        force_new: bool = False,
     ) -> str:
         """
         Returns the mac of the machine
         If cannot be obtained, MUST raise an exception
         Note:
-           vmid can be '' if we are requesting a new mac (on some services, where UDS generate the machines MAC)
+           vmid can be '' or force_new can be True, in this case, a new mac must be generated
            If the service does not support this, it can raise an exception
         """
         ...
diff --git a/server/src/uds/core/services/generics/dynamic/userservice.py b/server/src/uds/core/services/generics/dynamic/userservice.py
index 20f09c7f0..2eaf046b8 100644
--- a/server/src/uds/core/services/generics/dynamic/userservice.py
+++ b/server/src/uds/core/services/generics/dynamic/userservice.py
@@ -342,7 +342,7 @@ class DynamicUserService(services.UserService, autoserializable.AutoSerializable
         # Note that get_mac is used for creating a new mac, returning the one of the vm or whatever
         # This is responsibility of the service, not of the user service
         if not self._mac:
-            self._mac = self.service().get_mac(self, self._vmid) or ''
+            self._mac = self.service().get_mac(self, self._vmid, force_new=True) or ''
         return self._mac
 
     @typing.final
diff --git a/server/src/uds/services/OpenStack/service.py b/server/src/uds/services/OpenStack/service.py
index f3071be53..6357b6a11 100644
--- a/server/src/uds/services/OpenStack/service.py
+++ b/server/src/uds/services/OpenStack/service.py
@@ -255,7 +255,11 @@ class OpenStackLiveService(DynamicService):
         return '' if not net_info else net_info[0].ip
 
     def get_mac(
-        self, caller_instance: typing.Optional['DynamicUserService | DynamicPublication'], vmid: str
+        self,
+        caller_instance: typing.Optional['DynamicUserService | DynamicPublication'],
+        vmid: str,
+        *,
+        force_new: bool = False,
     ) -> str:
         net_info = self.api.get_server_info(vmid).validated().addresses
         return '' if not net_info else net_info[0].mac
diff --git a/server/src/uds/services/Proxmox/service_linked.py b/server/src/uds/services/Proxmox/service_linked.py
index 032394847..54919929d 100644
--- a/server/src/uds/services/Proxmox/service_linked.py
+++ b/server/src/uds/services/Proxmox/service_linked.py
@@ -273,10 +273,14 @@ class ProxmoxServiceLinked(DynamicService):
         return self.provider().api.get_guest_ip_address(int(vmid))
 
     def get_mac(
-        self, caller_instance: typing.Optional['DynamicUserService | DynamicPublication'], vmid: str
+        self,
+        caller_instance: typing.Optional['DynamicUserService | DynamicPublication'],
+        vmid: str,
+        *,
+        force_new: bool = False,
     ) -> str:
         # If vmid is empty, we are requesting a new mac
-        if not vmid:
+        if not vmid or force_new:
             return self.mac_generator().get(self.get_macs_range())
         return self.provider().api.get_vm_config(int(vmid)).networks[0].macaddr.lower()
 
diff --git a/server/src/uds/services/Xen/service.py b/server/src/uds/services/Xen/service.py
index 24dc3c4ec..78c1cd7f7 100644
--- a/server/src/uds/services/Xen/service.py
+++ b/server/src/uds/services/Xen/service.py
@@ -320,11 +320,12 @@ class XenLinkedService(DynamicService):  # pylint: disable=too-many-public-metho
         return ''  # No ip will be get, UDS will assign one (from actor)
 
     def get_mac(
-        self, caller_instance: typing.Optional['DynamicUserService | DynamicPublication'], vmid: str
+        self,
+        caller_instance: typing.Optional['DynamicUserService | DynamicPublication'],
+        vmid: str,
+        *,
+        force_new: bool = False,
     ) -> str:
-        """
-        For
-        """
         return self.mac_generator().get(self.provider().get_macs_range())
 
     def is_running(
diff --git a/server/tests/core/services/generics/fixtures.py b/server/tests/core/services/generics/fixtures.py
index 2ba798609..2d4dac54c 100644
--- a/server/tests/core/services/generics/fixtures.py
+++ b/server/tests/core/services/generics/fixtures.py
@@ -485,6 +485,8 @@ class DynamicTestingService(dynamic_service.DynamicService):
         self,
         caller_instance: typing.Optional[dynamic_userservice.DynamicUserService | dynamic_publication.DynamicPublication],
         vmid: str,
+        *,
+        force_new: bool = False,
     ) -> str:
         self.mock.get_mac(caller_instance, vmid)
         return '02:04:06:08:0A:0C'
@@ -686,6 +688,8 @@ class DynamicTestingServiceForDeferredDeletion(dynamic_service.DynamicService):
         self,
         caller_instance: typing.Optional[dynamic_userservice.DynamicUserService | dynamic_publication.DynamicPublication],
         vmid: str,
+        *,
+        force_new: bool = False,
     ) -> str:
         return ''