This 20 minute talk by MFP briefly explains the 3-tier architecture of Dynamics AX 4.0, before drilling deep into optimizations and considerations required to design well performing 3-tier solutions in X++.
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This site contains some Microsoft Dynamics AX X++ Codes for use in your day to day use. However please use them with caution in production environment. I will not be responsible for any Goof ups. These Codes were created during my free time and may have bugs. Use them at your own discretion. Arijit Basu | India