Check Virtual Network IP Address Availability


Updated: July 10, 2015

The Check Virtual Network IP Address Availability operation checks for the availability of an IP address in the specified Virtual Network.

The Check Virtual Network IP Address Availability request may be specified as follows. Replace <subscription-id> with the subscription ID and <virtual-network-name> with the name of the Virtual Network.


Request URI


URI Parameter



Required. Specifies that the availability of the IP address should be checked.


Required. Specifies the address that should be checked. Replace <address> with the IP address that you want to use.

The following table describes the request headers.

Request Header



Required. Specifies the version of the operation to use for this request. This header should be set to 2013-11-01 or higher.

The response includes an HTTP status code, a set of response headers, and a response body.

A successful operation returns status code 200 (OK).

The response for this operation includes the following headers. The response may also include additional standard HTTP headers.

Response Header



A value that uniquely identifies a request made against the management service.

The format of the response body is as follows:

<?xml version="1.0" encoding="utf-8"?>
<AddressAvailabilityResponse xmlns=””>

The following table describes the elements in the response body.

Element name



Indicates whether the specified IP address is available for use in the Virtual Network.

Possible values are:

  • true

  • false


If the IP address is not available, AvailableAddresses is returned with a maximum of five IP addresses that are available in the same subnet as the specified IP address.