diff --git a/builtin/providers/azure/resource_azure_instance.go b/builtin/providers/azure/resource_azure_instance.go
index cf20e8218..fb264f28e 100644
--- a/builtin/providers/azure/resource_azure_instance.go
+++ b/builtin/providers/azure/resource_azure_instance.go
@@ -170,6 +170,30 @@ func resourceAzureInstance() *schema.Resource {
 				Type:     schema.TypeString,
 				Computed: true,
 			},
+
+			"domain_name": &schema.Schema{
+				Type:     schema.TypeString,
+				Optional: true,
+				ForceNew: true,
+			},
+
+			"domain_username": &schema.Schema{
+				Type:     schema.TypeString,
+				Optional: true,
+				ForceNew: true,
+			},
+
+			"domain_password": &schema.Schema{
+				Type:     schema.TypeString,
+				Optional: true,
+				ForceNew: true,
+			},
+
+			"domain_ou": &schema.Schema{
+				Type:     schema.TypeString,
+				Optional: true,
+				ForceNew: true,
+			},
 		},
 	}
 }
@@ -273,6 +297,19 @@ func resourceAzureInstanceCreate(d *schema.ResourceData, meta interface{}) (err
 		if err != nil {
 			return fmt.Errorf("Error configuring %s for Windows: %s", name, err)
 		}
+		
+		if domain_name, ok := d.GetOk("domain_name"); ok {
+			err = vmutils.ConfigureWindowsToJoinDomain(
+				&role, 
+				d.Get("domain_username").(string), 
+				d.Get("domain_password").(string), 
+				domain_name.(string), 
+				d.Get("domain_ou").(string),
+			) 
+			if err != nil {
+				return fmt.Errorf("Error configuring %s for WindowsToJoinDomain: %s", name, err)
+			}
+		}
 	}
 
 	if s := d.Get("endpoint").(*schema.Set); s.Len() > 0 {
diff --git a/website/source/docs/providers/azure/r/instance.html.markdown b/website/source/docs/providers/azure/r/instance.html.markdown
index f983c622a..469d4da61 100644
--- a/website/source/docs/providers/azure/r/instance.html.markdown
+++ b/website/source/docs/providers/azure/r/instance.html.markdown
@@ -31,6 +31,10 @@ resource "azure_instance" "web" {
     location = "West US"
     username = "terraform"
     password = "Pass!admin123"
+    domain_name = "contoso.com"
+    domain_ou = "OU=Servers,DC=contoso.com,DC=Contoso,DC=com"
+    domain_username = "Administrator"
+    domain_password = "Pa$$word123"
 
     endpoint {
         name = "SSH"
@@ -109,6 +113,18 @@ The following arguments are supported:
 * `endpoint` - (Optional) Can be specified multiple times to define multiple
     endpoints. Each `endpoint` block supports fields documented below.
 
+* `domain_name` - (Optional) The name of an Active Directory domain to join.
+
+* `domain_ou` - (Optional) Specifies the LDAP Organisational Unit to place the 
+    instance in.
+
+* `domain_username` - (Optional) The username of an account with permission to
+    join the instance to the domain. Required if a domain_name is specified.
+
+* `domain_password` - (Optional) The password for the domain_username account
+    specified above.
+
+
 The `endpoint` block supports:
 
 * `name` - (Required) The name of the external endpoint.