diff --git a/config/extensions/webhook/rbac/numaflow-webhook-cluster-role.yaml b/config/extensions/webhook/rbac/numaflow-webhook-cluster-role.yaml
index 3303d13d3d..1b05d4be13 100644
--- a/config/extensions/webhook/rbac/numaflow-webhook-cluster-role.yaml
+++ b/config/extensions/webhook/rbac/numaflow-webhook-cluster-role.yaml
@@ -43,7 +43,7 @@ rules:
       - patch
       - watch
   - apiGroups:
-      - numaproj.io
+      - numaflow.numaproj.io
     verbs:
       - get
       - list
@@ -57,4 +57,4 @@ rules:
       - clusterroles
     verbs:
       - get
-      - list
\ No newline at end of file
+      - list
diff --git a/config/validating-webhook-install.yaml b/config/validating-webhook-install.yaml
index 732dfe0735..3cf1932988 100644
--- a/config/validating-webhook-install.yaml
+++ b/config/validating-webhook-install.yaml
@@ -49,7 +49,7 @@ rules:
   - patch
   - watch
 - apiGroups:
-  - numaproj.io
+  - numaflow.numaproj.io
   resources:
   - interstepbufferservices
   - pipelines
diff --git a/pkg/reconciler/pipeline/controller.go b/pkg/reconciler/pipeline/controller.go
index 7e7ce32410..a406aaec9d 100644
--- a/pkg/reconciler/pipeline/controller.go
+++ b/pkg/reconciler/pipeline/controller.go
@@ -785,7 +785,14 @@ func (r *pipelineReconciler) scaleVertex(ctx context.Context, pl *dfv1.Pipeline,
 	isVertexPatched := false
 	for _, vertex := range existingVertices {
 		if origin := *vertex.Spec.Replicas; origin != replicas && filter(vertex) {
-			vertex.Spec.Replicas = pointer.Int32(replicas)
+			scaleTo := replicas
+			// if vtx does not support autoscaling and min is set, scale up to min
+			if replicas == 1 {
+				if !vertex.Scalable() && vertex.Spec.Scale.Min != nil && *vertex.Spec.Scale.Min > 1 {
+					scaleTo = *vertex.Spec.Scale.Min
+				}
+			}
+			vertex.Spec.Replicas = pointer.Int32(scaleTo)
 			body, err := json.Marshal(vertex)
 			if err != nil {
 				return false, err
@@ -794,8 +801,8 @@ func (r *pipelineReconciler) scaleVertex(ctx context.Context, pl *dfv1.Pipeline,
 			if err != nil && !apierrors.IsNotFound(err) {
 				return false, err
 			}
-			log.Infow("Scaled vertex", zap.Int32("from", origin), zap.Int32("to", replicas), zap.String("vertex", vertex.Name))
-			r.recorder.Eventf(pl, corev1.EventTypeNormal, "ScalingVertex", "Scaled vertex %s from %d to %d replicas", vertex.Name, origin, replicas)
+			log.Infow("Scaled vertex", zap.Int32("from", origin), zap.Int32("to", scaleTo), zap.String("vertex", vertex.Name))
+			r.recorder.Eventf(pl, corev1.EventTypeNormal, "ScalingVertex", "Scaled vertex %s from %d to %d replicas", vertex.Name, origin, scaleTo)
 			isVertexPatched = true
 		}
 	}
diff --git a/pkg/reconciler/pipeline/controller_test.go b/pkg/reconciler/pipeline/controller_test.go
index f6bd6bbebc..1dbb0e200a 100644
--- a/pkg/reconciler/pipeline/controller_test.go
+++ b/pkg/reconciler/pipeline/controller_test.go
@@ -221,6 +221,39 @@ func Test_buildReducesVertices(t *testing.T) {
 	assert.Equal(t, int32(2), *r[pl.Name+"-"+pl.Spec.Vertices[1].Name].Spec.Replicas)
 }
 
+func Test_pauseAndResumePipeline(t *testing.T) {
+	cl := fake.NewClientBuilder().Build()
+	ctx := context.TODO()
+	testIsbSvc := testNativeRedisIsbSvc.DeepCopy()
+	testIsbSvc.Status.MarkConfigured()
+	testIsbSvc.Status.MarkDeployed()
+	err := cl.Create(ctx, testIsbSvc)
+	assert.Nil(t, err)
+	r := &pipelineReconciler{
+		client:   cl,
+		scheme:   scheme.Scheme,
+		config:   fakeConfig,
+		image:    testFlowImage,
+		logger:   zaptest.NewLogger(t).Sugar(),
+		recorder: record.NewFakeRecorder(64),
+	}
+	testObj := testPipeline.DeepCopy()
+	testObj.Spec.Vertices[0].Scale.Min = pointer.Int32(3)
+	_, err = r.reconcile(ctx, testObj)
+	assert.NoError(t, err)
+	_, err = r.pausePipeline(ctx, testObj)
+	assert.NoError(t, err)
+	v, err := r.findExistingVertices(ctx, testObj)
+	assert.NoError(t, err)
+	assert.Equal(t, int32(0), *v[testObj.Name+"-"+testObj.Spec.Vertices[0].Name].Spec.Replicas)
+	_, err = r.resumePipeline(ctx, testObj)
+	assert.NoError(t, err)
+	v, err = r.findExistingVertices(ctx, testObj)
+	assert.NoError(t, err)
+	assert.Equal(t, int32(3), *v[testObj.Name+"-"+testObj.Spec.Vertices[0].Name].Spec.Replicas)
+	assert.NoError(t, err)
+}
+
 func Test_copyVertexLimits(t *testing.T) {
 	pl := testPipeline.DeepCopy()
 	v := pl.Spec.Vertices[0].DeepCopy()
diff --git a/ui/yarn.lock b/ui/yarn.lock
index 4ee700a042..bb49ec76e5 100644
--- a/ui/yarn.lock
+++ b/ui/yarn.lock
@@ -6063,9 +6063,9 @@ graphlib@^2.1.8:
     lodash "^4.17.15"
 
 "graphql@^15.0.0 || ^16.0.0":
-  version "16.6.0"
-  resolved "https://registry.yarnpkg.com/graphql/-/graphql-16.6.0.tgz#c2dcffa4649db149f6282af726c8c83f1c7c5fdb"
-  integrity sha512-KPIBPDlW7NxrbT/eh4qPXz5FiFdL5UbaA0XUNz2Rp3Z3hqBSkbj0GVjwFDztsWVauZUWsbKHgMg++sk8UX0bkw==
+  version "16.8.1"
+  resolved "https://registry.yarnpkg.com/graphql/-/graphql-16.8.1.tgz#1930a965bef1170603702acdb68aedd3f3cf6f07"
+  integrity sha512-59LZHPdGZVh695Ud9lRzPBVTtlX9ZCV150Er2W43ro37wVof0ctenSaskPPjN7lVTIN8mSZt8PHUNKZuNQUuxw==
 
 gzip-size@^6.0.0:
   version "6.0.0"