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List Operating Systems

Updated: April 3, 2014

The List Operating Systems operation lists the versions of the guest operating system that are currently available in Microsoft Azure.

The List Operating Systems request may be specified as follows. Replace <subscription-id> with the subscription ID.

 

Method Request URI

GET

https://management.core.windows.net/<subscription-id>/operatingsystems

You must make sure that the request that is made to the management service is secure. For additional details, see Authenticating Service Management Requests.

The following table describes the request headers.

 

Request Header Description

x-ms-version

Required. Specifies the version of the operation to use for this request. The value of this header must be set to 2010-04-01 or higher. For more information about versioning headers, see Service Management Versioning.

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

A successful operation returns status code 200 (OK). For information about status codes, see Service Management Status and Error Codes.

The response for this operation includes the following headers. The response may also include additional standard HTTP headers. All standard headers conform to the HTTP/1.1 protocol specification.

 

Response Header Description

x-ms-request-id

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

The following example shows the format of the response body:


<?xml version="1.0" encoding="utf-8"?>
<OperatingSystems xmlns="http://schemas.microsoft.com/windowsazure">
  <OperatingSystem>
    <Version>operating-system-version</Version>
    <Label>base64-encoded-label</Label>
    <IsDefault>true|false</IsDefault>
    <IsActive>true|false</IsActive>
    <Family>osfamily-number</Family>
    <FamilyLabel>base64-encoded-label</FamilyLabel>
  </OperatingSystem>
</OperatingSystems>

The following table describes the elements in the response body.

 

Element Name Description

Version

Specifies the version of the operating system. This value corresponds to the configuration value for specifying that your service is to run on a particular version of the Azure guest operating system. For more information, see Configure Settings for the Azure Guest OS.

Label

Specifies the base-64 encoded label of the operating system version.

IsDefault

Indicates whether this operating system version is the default version for a service that has not otherwise specified a particular version. The default operating system version is applied to services that are configured for auto-upgrade. An operating system family has exactly one default operating system version at any given time, for which the IsDefault element is set to true; for all other versions, IsDefault is set to false.

IsActive

Indicates whether this operating system version is currently active for running a service. If an operating system version is active, you can manually configure your service to run on that version.

An operating system version may be inactive for one of two reasons:

  • It is not yet active as it is in the process of being rolled out to Windows Azure data centers. If your service is configured to use auto-upgrade, it will be upgraded to the new operating system version during the rollout. If you are manually configuring your operating system version, you can upgrade to the latest version once it becomes active.

  • It is no longer supported for running a service. In this case you will either need to manually configure your service to run on a newer version, or configure your service to use auto-upgrade to manage operating system upgrades.

Family

Indicates which operating system family this version belongs to. For information about supported Guest OS releases, see Azure Guest OS Releases and SDK Compatibility Matrix.

Family Label

Specifies the base-64 encoded label of the operating system family.

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