diff --git a/services/preview/machinelearningservices/mgmt/2020-02-18-preview/machinelearningservices/enums.go b/services/preview/machinelearningservices/mgmt/2020-02-18-preview/machinelearningservices/enums.go
index b031688d6eef..1992c096b8dc 100644
--- a/services/preview/machinelearningservices/mgmt/2020-02-18-preview/machinelearningservices/enums.go
+++ b/services/preview/machinelearningservices/mgmt/2020-02-18-preview/machinelearningservices/enums.go
@@ -47,6 +47,19 @@ func PossibleApplicationSharingPolicyValues() []ApplicationSharingPolicy {
 	return []ApplicationSharingPolicy{Personal, Shared}
 }
 
+// ComputeInstanceAuthorizationType enumerates the values for compute instance authorization type.
+type ComputeInstanceAuthorizationType string
+
+const (
+	// ComputeInstanceAuthorizationTypePersonal ...
+	ComputeInstanceAuthorizationTypePersonal ComputeInstanceAuthorizationType = "personal"
+)
+
+// PossibleComputeInstanceAuthorizationTypeValues returns an array of possible values for the ComputeInstanceAuthorizationType const type.
+func PossibleComputeInstanceAuthorizationTypeValues() []ComputeInstanceAuthorizationType {
+	return []ComputeInstanceAuthorizationType{ComputeInstanceAuthorizationTypePersonal}
+}
+
 // ComputeInstanceState enumerates the values for compute instance state.
 type ComputeInstanceState string
 
diff --git a/services/preview/machinelearningservices/mgmt/2020-02-18-preview/machinelearningservices/models.go b/services/preview/machinelearningservices/mgmt/2020-02-18-preview/machinelearningservices/models.go
index bc71bdb0f3bd..85ccdfec41f4 100644
--- a/services/preview/machinelearningservices/mgmt/2020-02-18-preview/machinelearningservices/models.go
+++ b/services/preview/machinelearningservices/mgmt/2020-02-18-preview/machinelearningservices/models.go
@@ -452,6 +452,14 @@ type AmlUserFeature struct {
 	Description *string `json:"description,omitempty"`
 }
 
+// AssignedUser a user that can be assigned to a compute instance.
+type AssignedUser struct {
+	// ObjectID - User’s AAD Object Id.
+	ObjectID *string `json:"objectId,omitempty"`
+	// TenantID - User’s AAD Tenant Id.
+	TenantID *string `json:"tenantId,omitempty"`
+}
+
 // ClusterUpdateParameters amlCompute update parameters.
 type ClusterUpdateParameters struct {
 	// ClusterUpdateProperties - The properties of the amlCompute.
@@ -809,6 +817,10 @@ type ComputeInstanceProperties struct {
 	Errors *[]Error `json:"errors,omitempty"`
 	// State - READ-ONLY; The current state of this ComputeInstance. Possible values include: 'Creating', 'CreateFailed', 'Deleting', 'Running', 'Restarting', 'RestartFailed', 'JobRunning', 'SettingUp', 'Starting', 'StartFailed', 'StopFailed', 'Stopped', 'Stopping', 'UserSettingUp', 'Unknown', 'Unusable'
 	State ComputeInstanceState `json:"state,omitempty"`
+	// ComputeInstanceAuthorizationType - The Compute Instance Authorization type. Available values are personal (default). Possible values include: 'ComputeInstanceAuthorizationTypePersonal'
+	ComputeInstanceAuthorizationType ComputeInstanceAuthorizationType `json:"computeInstanceAuthorizationType,omitempty"`
+	// PersonalComputeInstanceSettings - Settings for a personal compute instance.
+	PersonalComputeInstanceSettings *PersonalComputeInstanceSettings `json:"personalComputeInstanceSettings,omitempty"`
 }
 
 // MarshalJSON is the custom marshaler for ComputeInstanceProperties.
@@ -826,6 +838,12 @@ func (ci ComputeInstanceProperties) MarshalJSON() ([]byte, error) {
 	if ci.SSHSettings != nil {
 		objectMap["sshSettings"] = ci.SSHSettings
 	}
+	if ci.ComputeInstanceAuthorizationType != "" {
+		objectMap["computeInstanceAuthorizationType"] = ci.ComputeInstanceAuthorizationType
+	}
+	if ci.PersonalComputeInstanceSettings != nil {
+		objectMap["personalComputeInstanceSettings"] = ci.PersonalComputeInstanceSettings
+	}
 	return json.Marshal(objectMap)
 }
 
@@ -2444,6 +2462,12 @@ type Password struct {
 	Value *string `json:"value,omitempty"`
 }
 
+// PersonalComputeInstanceSettings settings for a personal compute instance.
+type PersonalComputeInstanceSettings struct {
+	// AssignedUser - A user explicitly assigned to a personal compute instance.
+	AssignedUser *AssignedUser `json:"assignedUser,omitempty"`
+}
+
 // PrivateEndpoint the Private Endpoint resource.
 type PrivateEndpoint struct {
 	// ID - READ-ONLY; The ARM identifier for Private Endpoint