Microsoft Dynamics AX 4.0 Service Pack 2 has been released to web.
The service pack is now available for download from Partner Source and Customer Source. See the download page for a fix list and other information.
PartnerSource - https://mbs.microsoft.com/partnersource/downloads/servicepack/DynamicsAX40sp2.htm
CustomerSource - https://mbs.microsoft.com/customersource/downloads/servicepacks/DynamicsAX40sp2.htm
