diff --git a/sql/resource-manager/v2015_05_01_preview/src/main/java/com/microsoft/azure/management/sql/v2015_05_01_preview/ManagedInstance.java b/sql/resource-manager/v2015_05_01_preview/src/main/java/com/microsoft/azure/management/sql/v2015_05_01_preview/ManagedInstance.java
index 8a82ab1ff7c8..48ad06f72784 100644
--- a/sql/resource-manager/v2015_05_01_preview/src/main/java/com/microsoft/azure/management/sql/v2015_05_01_preview/ManagedInstance.java
+++ b/sql/resource-manager/v2015_05_01_preview/src/main/java/com/microsoft/azure/management/sql/v2015_05_01_preview/ManagedInstance.java
@@ -67,7 +67,7 @@ public interface ManagedInstance extends HasInner<ManagedInstanceInner>, Resourc
     /**
      * @return the proxyOverride value.
      */
-    String proxyOverride();
+    ManagedInstanceProxyOverride proxyOverride();
 
     /**
      * @return the publicDataEndpointEnabled value.
@@ -188,7 +188,7 @@ interface WithProxyOverride {
             /**
              * Specifies proxyOverride.
              */
-            WithCreate withProxyOverride(String proxyOverride);
+            WithCreate withProxyOverride(ManagedInstanceProxyOverride proxyOverride);
         }
 
         /**
@@ -316,7 +316,7 @@ interface WithProxyOverride {
             /**
              * Specifies proxyOverride.
              */
-            Update withProxyOverride(String proxyOverride);
+            Update withProxyOverride(ManagedInstanceProxyOverride proxyOverride);
         }
 
         /**
diff --git a/sql/resource-manager/v2015_05_01_preview/src/main/java/com/microsoft/azure/management/sql/v2015_05_01_preview/ManagedInstanceProxyOverride.java b/sql/resource-manager/v2015_05_01_preview/src/main/java/com/microsoft/azure/management/sql/v2015_05_01_preview/ManagedInstanceProxyOverride.java
new file mode 100644
index 000000000000..3ad67fc38a27
--- /dev/null
+++ b/sql/resource-manager/v2015_05_01_preview/src/main/java/com/microsoft/azure/management/sql/v2015_05_01_preview/ManagedInstanceProxyOverride.java
@@ -0,0 +1,44 @@
+/**
+ * Copyright (c) Microsoft Corporation. All rights reserved.
+ * Licensed under the MIT License. See License.txt in the project root for
+ * license information.
+ *
+ * Code generated by Microsoft (R) AutoRest Code Generator.
+ */
+
+package com.microsoft.azure.management.sql.v2015_05_01_preview;
+
+import java.util.Collection;
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.microsoft.rest.ExpandableStringEnum;
+
+/**
+ * Defines values for ManagedInstanceProxyOverride.
+ */
+public final class ManagedInstanceProxyOverride extends ExpandableStringEnum<ManagedInstanceProxyOverride> {
+    /** Static value Proxy for ManagedInstanceProxyOverride. */
+    public static final ManagedInstanceProxyOverride PROXY = fromString("Proxy");
+
+    /** Static value Redirect for ManagedInstanceProxyOverride. */
+    public static final ManagedInstanceProxyOverride REDIRECT = fromString("Redirect");
+
+    /** Static value Default for ManagedInstanceProxyOverride. */
+    public static final ManagedInstanceProxyOverride DEFAULT = fromString("Default");
+
+    /**
+     * Creates or finds a ManagedInstanceProxyOverride from its string representation.
+     * @param name a name to look for
+     * @return the corresponding ManagedInstanceProxyOverride
+     */
+    @JsonCreator
+    public static ManagedInstanceProxyOverride fromString(String name) {
+        return fromString(name, ManagedInstanceProxyOverride.class);
+    }
+
+    /**
+     * @return known ManagedInstanceProxyOverride values
+     */
+    public static Collection<ManagedInstanceProxyOverride> values() {
+        return values(ManagedInstanceProxyOverride.class);
+    }
+}
diff --git a/sql/resource-manager/v2015_05_01_preview/src/main/java/com/microsoft/azure/management/sql/v2015_05_01_preview/ManagedInstanceUpdate.java b/sql/resource-manager/v2015_05_01_preview/src/main/java/com/microsoft/azure/management/sql/v2015_05_01_preview/ManagedInstanceUpdate.java
index 72797cec11d1..b1192e8989a1 100644
--- a/sql/resource-manager/v2015_05_01_preview/src/main/java/com/microsoft/azure/management/sql/v2015_05_01_preview/ManagedInstanceUpdate.java
+++ b/sql/resource-manager/v2015_05_01_preview/src/main/java/com/microsoft/azure/management/sql/v2015_05_01_preview/ManagedInstanceUpdate.java
@@ -100,10 +100,11 @@ public class ManagedInstanceUpdate {
     private Boolean publicDataEndpointEnabled;
 
     /**
-     * Proxy override of the managed instance.
+     * Connection type used for connecting to the instance. Possible values
+     * include: 'Proxy', 'Redirect', 'Default'.
      */
     @JsonProperty(value = "properties.proxyOverride")
-    private String proxyOverride;
+    private ManagedInstanceProxyOverride proxyOverride;
 
     /**
      * Resource tags.
@@ -339,21 +340,21 @@ public ManagedInstanceUpdate withPublicDataEndpointEnabled(Boolean publicDataEnd
     }
 
     /**
-     * Get proxy override of the managed instance.
+     * Get connection type used for connecting to the instance. Possible values include: 'Proxy', 'Redirect', 'Default'.
      *
      * @return the proxyOverride value
      */
-    public String proxyOverride() {
+    public ManagedInstanceProxyOverride proxyOverride() {
         return this.proxyOverride;
     }
 
     /**
-     * Set proxy override of the managed instance.
+     * Set connection type used for connecting to the instance. Possible values include: 'Proxy', 'Redirect', 'Default'.
      *
      * @param proxyOverride the proxyOverride value to set
      * @return the ManagedInstanceUpdate object itself.
      */
-    public ManagedInstanceUpdate withProxyOverride(String proxyOverride) {
+    public ManagedInstanceUpdate withProxyOverride(ManagedInstanceProxyOverride proxyOverride) {
         this.proxyOverride = proxyOverride;
         return this;
     }
diff --git a/sql/resource-manager/v2015_05_01_preview/src/main/java/com/microsoft/azure/management/sql/v2015_05_01_preview/implementation/ManagedInstanceImpl.java b/sql/resource-manager/v2015_05_01_preview/src/main/java/com/microsoft/azure/management/sql/v2015_05_01_preview/implementation/ManagedInstanceImpl.java
index 532f3862d93e..7c0e5553fc1e 100644
--- a/sql/resource-manager/v2015_05_01_preview/src/main/java/com/microsoft/azure/management/sql/v2015_05_01_preview/implementation/ManagedInstanceImpl.java
+++ b/sql/resource-manager/v2015_05_01_preview/src/main/java/com/microsoft/azure/management/sql/v2015_05_01_preview/implementation/ManagedInstanceImpl.java
@@ -14,6 +14,7 @@
 import com.microsoft.azure.management.sql.v2015_05_01_preview.ManagedInstanceUpdate;
 import com.microsoft.azure.management.sql.v2015_05_01_preview.ResourceIdentity;
 import com.microsoft.azure.management.sql.v2015_05_01_preview.Sku;
+import com.microsoft.azure.management.sql.v2015_05_01_preview.ManagedInstanceProxyOverride;
 import rx.functions.Func1;
 
 class ManagedInstanceImpl extends GroupableResourceCoreImpl<ManagedInstance, ManagedInstanceInner, ManagedInstanceImpl, SqlManager> implements ManagedInstance, ManagedInstance.Definition, ManagedInstance.Update {
@@ -107,7 +108,7 @@ public String licenseType() {
     }
 
     @Override
-    public String proxyOverride() {
+    public ManagedInstanceProxyOverride proxyOverride() {
         return this.inner().proxyOverride();
     }
 
@@ -198,7 +199,7 @@ public ManagedInstanceImpl withLicenseType(String licenseType) {
     }
 
     @Override
-    public ManagedInstanceImpl withProxyOverride(String proxyOverride) {
+    public ManagedInstanceImpl withProxyOverride(ManagedInstanceProxyOverride proxyOverride) {
         if (isInCreateMode()) {
             this.inner().withProxyOverride(proxyOverride);
         } else {
diff --git a/sql/resource-manager/v2015_05_01_preview/src/main/java/com/microsoft/azure/management/sql/v2015_05_01_preview/implementation/ManagedInstanceInner.java b/sql/resource-manager/v2015_05_01_preview/src/main/java/com/microsoft/azure/management/sql/v2015_05_01_preview/implementation/ManagedInstanceInner.java
index 06120a103474..28fc5935222f 100644
--- a/sql/resource-manager/v2015_05_01_preview/src/main/java/com/microsoft/azure/management/sql/v2015_05_01_preview/implementation/ManagedInstanceInner.java
+++ b/sql/resource-manager/v2015_05_01_preview/src/main/java/com/microsoft/azure/management/sql/v2015_05_01_preview/implementation/ManagedInstanceInner.java
@@ -10,6 +10,7 @@
 
 import com.microsoft.azure.management.sql.v2015_05_01_preview.ResourceIdentity;
 import com.microsoft.azure.management.sql.v2015_05_01_preview.Sku;
+import com.microsoft.azure.management.sql.v2015_05_01_preview.ManagedInstanceProxyOverride;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.microsoft.rest.serializer.JsonFlatten;
 import com.microsoft.azure.Resource;
@@ -108,10 +109,11 @@ public class ManagedInstanceInner extends Resource {
     private Boolean publicDataEndpointEnabled;
 
     /**
-     * Proxy override of the managed instance.
+     * Connection type used for connecting to the instance. Possible values
+     * include: 'Proxy', 'Redirect', 'Default'.
      */
     @JsonProperty(value = "properties.proxyOverride")
-    private String proxyOverride;
+    private ManagedInstanceProxyOverride proxyOverride;
 
     /**
      * Get the Azure Active Directory identity of the managed instance.
@@ -361,21 +363,21 @@ public ManagedInstanceInner withPublicDataEndpointEnabled(Boolean publicDataEndp
     }
 
     /**
-     * Get proxy override of the managed instance.
+     * Get connection type used for connecting to the instance. Possible values include: 'Proxy', 'Redirect', 'Default'.
      *
      * @return the proxyOverride value
      */
-    public String proxyOverride() {
+    public ManagedInstanceProxyOverride proxyOverride() {
         return this.proxyOverride;
     }
 
     /**
-     * Set proxy override of the managed instance.
+     * Set connection type used for connecting to the instance. Possible values include: 'Proxy', 'Redirect', 'Default'.
      *
      * @param proxyOverride the proxyOverride value to set
      * @return the ManagedInstanceInner object itself.
      */
-    public ManagedInstanceInner withProxyOverride(String proxyOverride) {
+    public ManagedInstanceInner withProxyOverride(ManagedInstanceProxyOverride proxyOverride) {
         this.proxyOverride = proxyOverride;
         return this;
     }