diff --git a/netbox/circuits/migrations/0047_circuittermination__termination.py b/netbox/circuits/migrations/0047_circuittermination__termination.py
index af3af157b..546450ee7 100644
--- a/netbox/circuits/migrations/0047_circuittermination__termination.py
+++ b/netbox/circuits/migrations/0047_circuittermination__termination.py
@@ -1,4 +1,5 @@
 import django.db.models.deletion
+from django.contrib.contenttypes.models import ContentType
 from django.db import migrations, models
 
 
@@ -49,3 +50,28 @@ class Migration(migrations.Migration):
         # Copy over existing site assignments
         migrations.RunPython(code=copy_site_assignments, reverse_code=migrations.RunPython.noop),
     ]
+
+
+def oc_circuittermination_termination(objectchange, revert):
+    site_ct = ContentType.objects.get_by_natural_key('dcim', 'site').pk
+    provider_network_ct = ContentType.objects.get_by_natural_key('circuits', 'providernetwork').pk
+    for data in (objectchange.prechange_data, objectchange.postchange_data):
+        if data is None:
+            continue
+        if site_id := data.get('site'):
+            data.update({
+                'termination_type': site_ct,
+                'termination_id': site_id,
+            })
+        elif provider_network_id := data.get('provider_network'):
+            data.update({
+                'termination_type': provider_network_ct,
+                'termination_id': provider_network_id,
+            })
+        data.pop('site')
+        data.pop('provider_network')
+
+
+objectchange_migrators = {
+    'circuits.circuittermination': oc_circuittermination_termination,
+}
diff --git a/netbox/circuits/migrations/0051_virtualcircuit_group_assignment.py b/netbox/circuits/migrations/0051_virtualcircuit_group_assignment.py
index 0a694465a..448a1e625 100644
--- a/netbox/circuits/migrations/0051_virtualcircuit_group_assignment.py
+++ b/netbox/circuits/migrations/0051_virtualcircuit_group_assignment.py
@@ -1,4 +1,5 @@
 import django.db.models.deletion
+from django.contrib.contenttypes.models import ContentType
 from django.db import migrations, models
 
 
@@ -82,3 +83,21 @@ class Migration(migrations.Migration):
             ),
         ),
     ]
+
+
+def oc_circuitgroupassignment_member(objectchange, revert):
+    circuit_ct = ContentType.objects.get_by_natural_key('circuits', 'circuit').pk
+    for data in (objectchange.prechange_data, objectchange.postchange_data):
+        if data is None:
+            continue
+        if circuit_id := data.get('circuit'):
+            data.update({
+                'member_type': circuit_ct,
+                'member_id': circuit_id,
+            })
+        data.pop('circuit')
+
+
+objectchange_migrators = {
+    'circuits.circuitgroupassignment': oc_circuitgroupassignment_member,
+}
diff --git a/netbox/ipam/migrations/0071_prefix_scope.py b/netbox/ipam/migrations/0071_prefix_scope.py
index 02047dc09..d7c2c2fcd 100644
--- a/netbox/ipam/migrations/0071_prefix_scope.py
+++ b/netbox/ipam/migrations/0071_prefix_scope.py
@@ -1,4 +1,5 @@
 import django.db.models.deletion
+from django.contrib.contenttypes.models import ContentType
 from django.db import migrations, models
 
 
@@ -44,3 +45,21 @@ class Migration(migrations.Migration):
         # Copy over existing site assignments
         migrations.RunPython(code=copy_site_assignments, reverse_code=migrations.RunPython.noop),
     ]
+
+
+def oc_prefix_scope(objectchange, revert):
+    site_ct = ContentType.objects.get_by_natural_key('dcim', 'site').pk
+    for data in (objectchange.prechange_data, objectchange.postchange_data):
+        if data is None:
+            continue
+        if site_id := data.get('site'):
+            data.update({
+                'scope_type': site_ct,
+                'scope_id': site_id,
+            })
+        data.pop('site')
+
+
+objectchange_migrators = {
+    'ipam.prefix': oc_prefix_scope,
+}
diff --git a/netbox/ipam/migrations/0080_populate_service_parent.py b/netbox/ipam/migrations/0080_populate_service_parent.py
index f043926bc..62f13df18 100644
--- a/netbox/ipam/migrations/0080_populate_service_parent.py
+++ b/netbox/ipam/migrations/0080_populate_service_parent.py
@@ -1,3 +1,4 @@
+from django.contrib.contenttypes.models import ContentType
 from django.db import migrations
 from django.db.models import F
 
@@ -54,3 +55,28 @@ class Migration(migrations.Migration):
                 reverse_code=repopulate_device_and_virtualmachine_relations,
             )
     ]
+
+
+def oc_service_parent(objectchange, revert):
+    device_ct = ContentType.objects.get_by_natural_key('dcim', 'device').pk
+    virtual_machine_ct = ContentType.objects.get_by_natural_key('virtualization', 'virtualmachine').pk
+    for data in (objectchange.prechange_data, objectchange.postchange_data):
+        if data is None:
+            continue
+        if device_id := data.get('device'):
+            data.update({
+                'parent_object_type': device_ct,
+                'parent_object_id': device_id,
+            })
+        elif virtual_machine_id := data.get('virtual_machine'):
+            data.update({
+                'parent_object_type': virtual_machine_ct,
+                'parent_object_id': virtual_machine_id,
+            })
+        data.pop('device')
+        data.pop('virtual_machine')
+
+
+objectchange_migrators = {
+    'ipam.service': oc_service_parent,
+}
diff --git a/netbox/tenancy/migrations/0018_contact_groups.py b/netbox/tenancy/migrations/0018_contact_groups.py
index 1279ccdf7..72d2d9505 100644
--- a/netbox/tenancy/migrations/0018_contact_groups.py
+++ b/netbox/tenancy/migrations/0018_contact_groups.py
@@ -66,3 +66,17 @@ class Migration(migrations.Migration):
             name='group',
         ),
     ]
+
+
+def oc_contact_groups(objectchange, revert):
+    for data in (objectchange.prechange_data, objectchange.postchange_data):
+        if data is None:
+            continue
+        if 'group' in data:
+            data['groups'] = [data['group']] if data['group'] else []
+            data.pop('group')
+
+
+objectchange_migrators = {
+    'tenancy.contact': oc_contact_groups,
+}
diff --git a/netbox/virtualization/migrations/0044_cluster_scope.py b/netbox/virtualization/migrations/0044_cluster_scope.py
index 532bc79c1..03d6481ff 100644
--- a/netbox/virtualization/migrations/0044_cluster_scope.py
+++ b/netbox/virtualization/migrations/0044_cluster_scope.py
@@ -1,4 +1,5 @@
 import django.db.models.deletion
+from django.contrib.contenttypes.models import ContentType
 from django.db import migrations, models
 
 
@@ -43,3 +44,21 @@ class Migration(migrations.Migration):
         # Copy over existing site assignments
         migrations.RunPython(code=copy_site_assignments, reverse_code=migrations.RunPython.noop),
     ]
+
+
+def oc_cluster_scope(objectchange, revert):
+    site_ct = ContentType.objects.get_by_natural_key('dcim', 'site').pk
+    for data in (objectchange.prechange_data, objectchange.postchange_data):
+        if data is None:
+            continue
+        if site_id := data.get('site'):
+            data.update({
+                'scope_type': site_ct,
+                'scope_id': site_id,
+            })
+        data.pop('site')
+
+
+objectchange_migrators = {
+    'virtualization.cluster': oc_cluster_scope,
+}