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Elastic Compute Service:Apply for License Mobility

Last Updated:Mar 27, 2024

This topic describes how to apply for License Mobility by using Software Assurance. If you want to use an Elastic Compute Service (ECS) dedicated host or purchase a license provided by Alibaba Cloud, skip this topic.

Background information

As an Authorized Mobility Partner of Microsoft, Alibaba Cloud accepts the licenses of services covered in active Software Assurance contracts. You can send an application to Microsoft to migrate a license and continue using the license in Alibaba Cloud as a Bring Your Own License (BYOL) license.

If you want to continue using your existing licenses by using License Mobility, make sure that the following requirements are met:

  • Your licenses have active Microsoft Software Assurance. For more information, see Software Assurance.

  • The Microsoft services must support License Mobility agreements. The following Microsoft services are eligible for License Mobility:

    • Exchange Server

    • SharePoint Server

    • SQL Server Standard Edition

    • SQL Server Enterprise Edition

    • Skype for Business Server

    • System Center Server

    • Project Server

    • Visual Studio Team Foundation Server

    • BizTalk Server

    • Remote Desktop Services

    For information about the full list of eligible Microsoft services, visit Licensing Use Rights.

  • Eligible Volume Licensing programs include Enterprise Agreement, Enterprise Subscription Agreement, and Microsoft Open Value Agreement, all of which include Software Assurance. Eligible Volume Licensing programs also include other Volume Licensing programs that provide Software Assurance as an option, such as Microsoft Open License or Select Plus.

  • The licenses are not supported for Windows client operating systems such as Windows Server or desktop applications such as Microsoft Office.


In accordance with Microsoft License Mobility terms, you can deploy application environments before Microsoft confirms your application. You must complete and submit the License Verification form for License Mobility within 10 days of deployment. The following figure shows how to apply for License Mobility from Microsoft for an application deployed in Alibaba Cloud.

  1. Deploy an application that is eligible for License Mobility in Alibaba Cloud.

  2. Submit the license migration application to Microsoft.

    For information about detailed operations, visit License Mobility through Software Assurance. Specify Alibaba Cloud as the Authorized Mobility Partner on the verification form and provide the following information:

    • Authorized Mobility Partner name: Alibaba Cloud Computing Ltd.

    • Authorized Mobility Partner website address:

    • Authorized Mobility Partner email address:

  3. Wait for Microsoft to review the application and reply.

What to do next

In accordance with the Microsoft Product Terms, you can perform the following operations on licenses that have License Mobility benefits:

  • Reallocate the licenses to other ECS instances in the same Alibaba Cloud zone. For more information, see Regions and zones.

  • Reallocate the licenses to other ECS instances in different Alibaba Cloud zones. The interval between two consecutive reallocations cannot be less than 90 days. For more information, see Licensing Use Rights.