diff --git a/profiles/latest/storage/mgmt/storage/models.go b/profiles/latest/storage/mgmt/storage/models.go
index 634f84dc0232..a37cf2345411 100644
--- a/profiles/latest/storage/mgmt/storage/models.go
+++ b/profiles/latest/storage/mgmt/storage/models.go
@@ -142,6 +142,13 @@ const (
 	StorageV2        Kind = original.StorageV2
 )
 
+type LargeFileSharesState = original.LargeFileSharesState
+
+const (
+	Disabled LargeFileSharesState = original.Disabled
+	Enabled  LargeFileSharesState = original.Enabled
+)
+
 type LeaseDuration = original.LeaseDuration
 
 const (
@@ -504,6 +511,9 @@ func PossibleKeySourceValues() []KeySource {
 func PossibleKindValues() []Kind {
 	return original.PossibleKindValues()
 }
+func PossibleLargeFileSharesStateValues() []LargeFileSharesState {
+	return original.PossibleLargeFileSharesStateValues()
+}
 func PossibleLeaseDurationValues() []LeaseDuration {
 	return original.PossibleLeaseDurationValues()
 }
diff --git a/profiles/preview/storage/mgmt/storage/models.go b/profiles/preview/storage/mgmt/storage/models.go
index 48320cf10e7a..bd83eed0e792 100644
--- a/profiles/preview/storage/mgmt/storage/models.go
+++ b/profiles/preview/storage/mgmt/storage/models.go
@@ -142,6 +142,13 @@ const (
 	StorageV2        Kind = original.StorageV2
 )
 
+type LargeFileSharesState = original.LargeFileSharesState
+
+const (
+	Disabled LargeFileSharesState = original.Disabled
+	Enabled  LargeFileSharesState = original.Enabled
+)
+
 type LeaseDuration = original.LeaseDuration
 
 const (
@@ -504,6 +511,9 @@ func PossibleKeySourceValues() []KeySource {
 func PossibleKindValues() []Kind {
 	return original.PossibleKindValues()
 }
+func PossibleLargeFileSharesStateValues() []LargeFileSharesState {
+	return original.PossibleLargeFileSharesStateValues()
+}
 func PossibleLeaseDurationValues() []LeaseDuration {
 	return original.PossibleLeaseDurationValues()
 }
diff --git a/services/storage/mgmt/2019-04-01/storage/models.go b/services/storage/mgmt/2019-04-01/storage/models.go
index 265f9a9dbac7..8cba20da6e24 100644
--- a/services/storage/mgmt/2019-04-01/storage/models.go
+++ b/services/storage/mgmt/2019-04-01/storage/models.go
@@ -272,6 +272,21 @@ func PossibleKindValues() []Kind {
 	return []Kind{BlobStorage, BlockBlobStorage, FileStorage, Storage, StorageV2}
 }
 
+// LargeFileSharesState enumerates the values for large file shares state.
+type LargeFileSharesState string
+
+const (
+	// Disabled ...
+	Disabled LargeFileSharesState = "Disabled"
+	// Enabled ...
+	Enabled LargeFileSharesState = "Enabled"
+)
+
+// PossibleLargeFileSharesStateValues returns an array of possible values for the LargeFileSharesState const type.
+func PossibleLargeFileSharesStateValues() []LargeFileSharesState {
+	return []LargeFileSharesState{Disabled, Enabled}
+}
+
 // LeaseDuration enumerates the values for lease duration.
 type LeaseDuration string
 
@@ -1011,6 +1026,8 @@ type AccountProperties struct {
 	GeoReplicationStats *GeoReplicationStats `json:"geoReplicationStats,omitempty"`
 	// FailoverInProgress - READ-ONLY; If the failover is in progress, the value will be true, otherwise, it will be null.
 	FailoverInProgress *bool `json:"failoverInProgress,omitempty"`
+	// LargeFileSharesState - Allow large file shares if sets to Enabled. It cannot be disabled once it is enabled. Possible values include: 'Disabled', 'Enabled'
+	LargeFileSharesState LargeFileSharesState `json:"largeFileSharesState,omitempty"`
 }
 
 // AccountPropertiesCreateParameters the parameters used to create the storage account.
@@ -1029,6 +1046,8 @@ type AccountPropertiesCreateParameters struct {
 	EnableHTTPSTrafficOnly *bool `json:"supportsHttpsTrafficOnly,omitempty"`
 	// IsHnsEnabled - Account HierarchicalNamespace enabled if sets to true.
 	IsHnsEnabled *bool `json:"isHnsEnabled,omitempty"`
+	// LargeFileSharesState - Allow large file shares if sets to Enabled. It cannot be disabled once it is enabled. Possible values include: 'Disabled', 'Enabled'
+	LargeFileSharesState LargeFileSharesState `json:"largeFileSharesState,omitempty"`
 }
 
 // AccountPropertiesUpdateParameters the parameters used when updating a storage account.
@@ -1045,6 +1064,8 @@ type AccountPropertiesUpdateParameters struct {
 	EnableHTTPSTrafficOnly *bool `json:"supportsHttpsTrafficOnly,omitempty"`
 	// NetworkRuleSet - Network rule set
 	NetworkRuleSet *NetworkRuleSet `json:"networkAcls,omitempty"`
+	// LargeFileSharesState - Allow large file shares if sets to Enabled. It cannot be disabled once it is enabled. Possible values include: 'Disabled', 'Enabled'
+	LargeFileSharesState LargeFileSharesState `json:"largeFileSharesState,omitempty"`
 }
 
 // AccountRegenerateKeyParameters the parameters used to regenerate the storage account key.