diff --git a/staging/src/k8s.io/legacy-cloud-providers/azure/azure.go b/staging/src/k8s.io/legacy-cloud-providers/azure/azure.go
index 466f06bfd33..2c236c0abc3 100644
--- a/staging/src/k8s.io/legacy-cloud-providers/azure/azure.go
+++ b/staging/src/k8s.io/legacy-cloud-providers/azure/azure.go
@@ -213,6 +213,9 @@ type Config struct {
 	NsgCacheTTLInSeconds int `json:"nsgCacheTTLInSeconds,omitempty" yaml:"nsgCacheTTLInSeconds,omitempty"`
 	// RouteTableCacheTTLInSeconds sets the cache TTL for route table
 	RouteTableCacheTTLInSeconds int `json:"routeTableCacheTTLInSeconds,omitempty" yaml:"routeTableCacheTTLInSeconds,omitempty"`
+
+	// DisableAvailabilitySetNodes disables VMAS nodes support when "VMType" is set to "vmss".
+	DisableAvailabilitySetNodes bool `json:"disableAvailabilitySetNodes,omitempty" yaml:"disableAvailabilitySetNodes,omitempty"`
 }
 
 var _ cloudprovider.Interface = (*Cloud)(nil)
@@ -353,6 +356,10 @@ func (az *Cloud) InitializeCloudFromConfig(config *Config, fromSecret bool) erro
 		config.VMType = vmTypeStandard
 	}
 
+	if config.DisableAvailabilitySetNodes && config.VMType != vmTypeVMSS {
+		return fmt.Errorf("disableAvailabilitySetNodes %v is only supported when vmType is 'vmss'", config.DisableAvailabilitySetNodes)
+	}
+
 	if config.CloudConfigType == "" {
 		// The default cloud config type is cloudConfigTypeMerge.
 		config.CloudConfigType = cloudConfigTypeMerge
diff --git a/staging/src/k8s.io/legacy-cloud-providers/azure/azure_test.go b/staging/src/k8s.io/legacy-cloud-providers/azure/azure_test.go
index 327805e9403..b112c525394 100644
--- a/staging/src/k8s.io/legacy-cloud-providers/azure/azure_test.go
+++ b/staging/src/k8s.io/legacy-cloud-providers/azure/azure_test.go
@@ -1511,6 +1511,8 @@ func TestNewCloudFromJSON(t *testing.T) {
 		"loadBalancerCacheTTLInSeconds": 100,
 		"nsgCacheTTLInSeconds": 100,
 		"routeTableCacheTTLInSeconds": 100,
+		"vmType": "vmss",
+		"disableAvailabilitySetNodes": true
 	}`
 	validateConfig(t, config)
 }
@@ -1568,6 +1570,8 @@ vmCacheTTLInSeconds: 100
 loadBalancerCacheTTLInSeconds: 100
 nsgCacheTTLInSeconds: 100
 routeTableCacheTTLInSeconds: 100
+vmType: vmss
+disableAvailabilitySetNodes: true
 `
 	validateConfig(t, config)
 }
@@ -1665,6 +1669,12 @@ func validateConfig(t *testing.T, config string) {
 	if azureCloud.RouteTableCacheTTLInSeconds != 100 {
 		t.Errorf("got incorrect value for routeTableCacheTTLInSeconds")
 	}
+	if azureCloud.VMType != vmTypeVMSS {
+		t.Errorf("got incorrect value for vmType")
+	}
+	if !azureCloud.DisableAvailabilitySetNodes {
+		t.Errorf("got incorrect value for disableAvailabilitySetNodes")
+	}
 }
 
 func getCloudFromConfig(t *testing.T, config string) *Cloud {
diff --git a/staging/src/k8s.io/legacy-cloud-providers/azure/azure_vmss.go b/staging/src/k8s.io/legacy-cloud-providers/azure/azure_vmss.go
index 470d9b5414c..4a874be758e 100644
--- a/staging/src/k8s.io/legacy-cloud-providers/azure/azure_vmss.go
+++ b/staging/src/k8s.io/legacy-cloud-providers/azure/azure_vmss.go
@@ -75,9 +75,11 @@ func newScaleSet(az *Cloud) (VMSet, error) {
 		availabilitySet: newAvailabilitySet(az),
 	}
 
-	ss.availabilitySetNodesCache, err = ss.newAvailabilitySetNodesCache()
-	if err != nil {
-		return nil, err
+	if !ss.DisableAvailabilitySetNodes {
+		ss.availabilitySetNodesCache, err = ss.newAvailabilitySetNodesCache()
+		if err != nil {
+			return nil, err
+		}
 	}
 
 	ss.vmssCache, err = ss.newVMSSCache()
diff --git a/staging/src/k8s.io/legacy-cloud-providers/azure/azure_vmss_cache.go b/staging/src/k8s.io/legacy-cloud-providers/azure/azure_vmss_cache.go
index 2d59df140e4..8a78d5a45ee 100644
--- a/staging/src/k8s.io/legacy-cloud-providers/azure/azure_vmss_cache.go
+++ b/staging/src/k8s.io/legacy-cloud-providers/azure/azure_vmss_cache.go
@@ -256,6 +256,12 @@ func (ss *scaleSet) newAvailabilitySetNodesCache() (*timedCache, error) {
 }
 
 func (ss *scaleSet) isNodeManagedByAvailabilitySet(nodeName string, crt cacheReadType) (bool, error) {
+	// Assume all nodes are managed by VMSS when DisableAvailabilitySetNodes is enabled.
+	if ss.DisableAvailabilitySetNodes {
+		klog.V(2).Infof("Assuming node %q is managed by VMSS since DisableAvailabilitySetNodes is set to true", nodeName)
+		return false, nil
+	}
+
 	cached, err := ss.availabilitySetNodesCache.Get(availabilitySetNodesKey, crt)
 	if err != nil {
 		return false, err