Azure CreateVM部署没有为映像指定目标URI

Question

我正在尝试使用azure服务管理restapi创建vm。如果我选择我自己创建的图像来处理我的帐户，它工作正常。当我选择其他公开的图像时，我收到以下错误。

No target URI is specified for the image fb83b3509582419d99629ce476bcb5c8__SQL-Server-2014CTP2-CU1-12.0.1736.0-Evaluation-ENU-WS2012R2-CY13SU12.

使用以下xml我必须创建vm：

<Deployment xmlns="http://schemas.microsoft.com/windowsazure" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
    <Name>azure4569033333</Name>
    <DeploymentSlot>Production</DeploymentSlot>
    <Label>YXp1cmU0NTY5MDMzMzMz</Label>
    <RoleList>
        <Role>
            <RoleName>azure4569033333</RoleName>
            <RoleType>PersistentVMRole</RoleType>
            <ConfigurationSets>
                <ConfigurationSet i:type="WindowsProvisioningConfigurationSet">
                    <ConfigurationSetType>WindowsProvisioningConfiguration</ConfigurationSetType>
                    <ComputerName>azure4569033333</ComputerName>
                    <AdminPassword>Pass!admin123</AdminPassword>
                    <AdminUsername>admin12</AdminUsername>
                </ConfigurationSet>
                <ConfigurationSet i:type="NetworkConfigurationSet">
                    <ConfigurationSetType>NetworkConfiguration</ConfigurationSetType>
                    <InputEndpoints>
                        <InputEndpoint>
                            <LocalPort>3389</LocalPort>
                            <Name>Remote Desktop</Name>
                            <Port>3389</Port>
                            <Protocol>tcp</Protocol>
                        </InputEndpoint>
                    </InputEndpoints>
                </ConfigurationSet>
            </ConfigurationSets>
            <OSVirtualHardDisk>
                <SourceImageName>fb83b3509582419d99629ce476bcb5c8__SQL-Server-2014CTP2-CU1-12.0.1736.0-Evaluation-ENU-WS2012R2-CY13SU12</SourceImageName>
                <MediaLink>https://portalvhdsd4lc8tzn260zd.blob.core.windows.net/vhds/fb83b3509582419d99629ce476bcb5c8__SQL-Server-2014CTP2-CU1-12.0.1736.0-Evaluation-ENU-WS2012R2-CY13SU12.vhd</MediaLink>
            </OSVirtualHardDisk>
            <RoleSize>ExtraSmall</RoleSize>
        </Role>
    </RoleList>
</Deployment>