diff --git a/pkg/registry/apps/replicaset/strategy.go b/pkg/registry/apps/replicaset/strategy.go
index add8c23927d..6d090440dee 100644
--- a/pkg/registry/apps/replicaset/strategy.go
+++ b/pkg/registry/apps/replicaset/strategy.go
@@ -30,6 +30,7 @@ import (
 	"k8s.io/apimachinery/pkg/labels"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
+	utilvalidation "k8s.io/apimachinery/pkg/util/validation"
 	"k8s.io/apimachinery/pkg/util/validation/field"
 	genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
 	"k8s.io/apiserver/pkg/registry/generic"
@@ -39,7 +40,7 @@ import (
 	"k8s.io/kubernetes/pkg/api/legacyscheme"
 	"k8s.io/kubernetes/pkg/api/pod"
 	"k8s.io/kubernetes/pkg/apis/apps"
-	"k8s.io/kubernetes/pkg/apis/apps/validation"
+	appsvalidation "k8s.io/kubernetes/pkg/apis/apps/validation"
 	"sigs.k8s.io/structured-merge-diff/v4/fieldpath"
 )
 
@@ -113,13 +114,18 @@ func (rsStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object)
 func (rsStrategy) Validate(ctx context.Context, obj runtime.Object) field.ErrorList {
 	rs := obj.(*apps.ReplicaSet)
 	opts := pod.GetValidationOptionsFromPodTemplate(&rs.Spec.Template, nil)
-	return validation.ValidateReplicaSet(rs, opts)
+	return appsvalidation.ValidateReplicaSet(rs, opts)
 }
 
 // WarningsOnCreate returns warnings for the creation of the given object.
 func (rsStrategy) WarningsOnCreate(ctx context.Context, obj runtime.Object) []string {
 	newRS := obj.(*apps.ReplicaSet)
-	return pod.GetWarningsForPodTemplate(ctx, field.NewPath("spec", "template"), &newRS.Spec.Template, nil)
+	var warnings []string
+	if msgs := utilvalidation.IsDNS1123Label(newRS.Name); len(msgs) != 0 {
+		warnings = append(warnings, fmt.Sprintf("metadata.name: this is used in Pod names and hostnames, which can result in surprising behavior; a DNS label is recommended: %v", msgs))
+	}
+	warnings = append(warnings, pod.GetWarningsForPodTemplate(ctx, field.NewPath("spec", "template"), &newRS.Spec.Template, nil)...)
+	return warnings
 }
 
 // Canonicalize normalizes the object after validation.
@@ -138,8 +144,8 @@ func (rsStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) f
 	oldReplicaSet := old.(*apps.ReplicaSet)
 
 	opts := pod.GetValidationOptionsFromPodTemplate(&newReplicaSet.Spec.Template, &oldReplicaSet.Spec.Template)
-	allErrs := validation.ValidateReplicaSet(obj.(*apps.ReplicaSet), opts)
-	allErrs = append(allErrs, validation.ValidateReplicaSetUpdate(newReplicaSet, oldReplicaSet, opts)...)
+	allErrs := appsvalidation.ValidateReplicaSet(obj.(*apps.ReplicaSet), opts)
+	allErrs = append(allErrs, appsvalidation.ValidateReplicaSetUpdate(newReplicaSet, oldReplicaSet, opts)...)
 
 	// Update is not allowed to set Spec.Selector for all groups/versions except extensions/v1beta1.
 	// If RequestInfo is nil, it is better to revert to old behavior (i.e. allow update to set Spec.Selector)
@@ -228,7 +234,7 @@ func (rsStatusStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.O
 }
 
 func (rsStatusStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
-	return validation.ValidateReplicaSetStatusUpdate(obj.(*apps.ReplicaSet), old.(*apps.ReplicaSet))
+	return appsvalidation.ValidateReplicaSetStatusUpdate(obj.(*apps.ReplicaSet), old.(*apps.ReplicaSet))
 }
 
 // WarningsOnUpdate returns warnings for the given update.