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https://mbs.microsoft.com/partnersou...igrationax.htm
Sure Step Migration Tool for Microsoft Dynamics AX
The tool can help you and your customers migrate data from competing business management systems and legacy systems to Microsoft Dynamics AX 4.0 Service Pack 1.
In addition, the tool’s repeatable methodology could be used across multiple customers with the same source system. Further, it could be used across customers with different source systems. By decreasing the time and expense of the customer’s implementation, you can increase the value of your services and solution to your customers, and gain a competitive advantage.
Source adapters provided with the download include:
* ....
* Microsoft Axapta 2.5 SP4
Additional source adapters may be made available by partners or ISVs on an Open Source community such as
http://www.codeplex.com or PartnerSource in the future.