diff --git a/netbox/dcim/models/device_component_templates.py b/netbox/dcim/models/device_component_templates.py
index dacd7ec3e..27ab1c70b 100644
--- a/netbox/dcim/models/device_component_templates.py
+++ b/netbox/dcim/models/device_component_templates.py
@@ -2,7 +2,7 @@ from django.contrib.contenttypes.fields import GenericForeignKey
 from django.core.exceptions import ValidationError
 from django.core.validators import MaxValueValidator, MinValueValidator
 from django.db import models
-from django.utils.translation import gettext_lazy as _
+from django.utils.translation import gettext_lazy as _, ngettext
 from mptt.models import MPTTModel, TreeForeignKey
 
 from dcim.choices import *
@@ -539,7 +539,11 @@ class FrontPortTemplate(ModularComponentTemplateModel):
             # Validate rear port position assignment
             if self.rear_port_position > self.rear_port.positions:
                 raise ValidationError(
-                    _("Invalid rear port position ({position}); rear port {name} has only {count} positions").format(
+                    _(ngettext(
+                        "Invalid rear port position ({position}); rear port {name} has only {count} position",
+                        "Invalid rear port position ({position}); rear port {name} has only {count} positions",
+                        self.rear_port.positions,
+                    )).format(
                         position=self.rear_port_position,
                         name=self.rear_port.name,
                         count=self.rear_port.positions
diff --git a/netbox/dcim/models/device_components.py b/netbox/dcim/models/device_components.py
index 9438b741f..bc0893ee4 100644
--- a/netbox/dcim/models/device_components.py
+++ b/netbox/dcim/models/device_components.py
@@ -6,7 +6,7 @@ from django.core.validators import MaxValueValidator, MinValueValidator
 from django.db import models
 from django.db.models import Sum
 from django.urls import reverse
-from django.utils.translation import gettext_lazy as _
+from django.utils.translation import gettext_lazy as _, ngettext
 from mptt.models import MPTTModel, TreeForeignKey
 
 from dcim.choices import *
@@ -1026,10 +1026,13 @@ class FrontPort(ModularComponentModel, CabledObjectModel, TrackingModelMixin):
             # Validate rear port position assignment
             if self.rear_port_position > self.rear_port.positions:
                 raise ValidationError({
-                    "rear_port_position": _(
+                    "rear_port_position": _(ngettext(
                         "Invalid rear port position ({rear_port_position}): Rear port {name} has only {positions} "
-                        "positions."
-                    ).format(
+                        "position.",
+                        "Invalid rear port position ({rear_port_position}): Rear port {name} has only {positions} "
+                        "positions.",
+                        self.rear_port.positions
+                    )).format(
                         rear_port_position=self.rear_port_position,
                         name=self.rear_port.name,
                         positions=self.rear_port.positions
diff --git a/netbox/dcim/models/devices.py b/netbox/dcim/models/devices.py
index abc9e0b08..203af4f9a 100644
--- a/netbox/dcim/models/devices.py
+++ b/netbox/dcim/models/devices.py
@@ -12,7 +12,7 @@ from django.db.models.functions import Lower
 from django.db.models.signals import post_save
 from django.urls import reverse
 from django.utils.safestring import mark_safe
-from django.utils.translation import gettext_lazy as _
+from django.utils.translation import gettext_lazy as _, ngettext
 
 from dcim.choices import *
 from dcim.constants import *
@@ -318,10 +318,13 @@ class DeviceType(ImageAttachmentsMixin, PrimaryModel, WeightMixin):
             if racked_instance_count:
                 url = f"{reverse('dcim:device_list')}?manufactuer_id={self.manufacturer_id}&device_type_id={self.pk}"
                 raise ValidationError({
-                    'u_height': mark_safe(_(
+                    'u_height': mark_safe(_(ngettext(
+                        'Unable to set 0U height: Found <a href="{url}">{racked_instance_count} instance</a> already '
+                        'mounted within racks.',
                         'Unable to set 0U height: Found <a href="{url}">{racked_instance_count} instances</a> already '
-                        'mounted within racks.'
-                    ).format(url=url, racked_instance_count=racked_instance_count))
+                        'mounted within racks.',
+                        racked_instance_count,
+                    )).format(url=url, racked_instance_count=racked_instance_count))
                 })
 
         if (
diff --git a/netbox/dcim/views.py b/netbox/dcim/views.py
index 87f351e4d..cabf18497 100644
--- a/netbox/dcim/views.py
+++ b/netbox/dcim/views.py
@@ -11,7 +11,7 @@ from django.shortcuts import get_object_or_404, redirect, render
 from django.urls import reverse
 from django.utils.html import escape
 from django.utils.safestring import mark_safe
-from django.utils.translation import gettext as _
+from django.utils.translation import gettext as _, ngettext
 from django.views.generic import View
 from jinja2.exceptions import TemplateError
 
@@ -136,7 +136,11 @@ class BulkDisconnectView(GetReturnURLMixin, ObjectPermissionRequiredMixin, View)
                     for cable in Cable.objects.filter(pk__in=cable_ids):
                         cable.delete()
 
-                messages.success(request, _("Disconnected {count} {type}").format(
+                messages.success(request, _(ngettext(
+                    "Disconnected 1 {type}",
+                    "Disconnected {count} {type}",
+                    count,
+                )).format(
                     count=count,
                     type=self.queryset.model._meta.verbose_name_plural
                 ))