It was a revolutionary concept that was developed by Microsoft for delivering the n-tier architecture. Later it was suffered from backward compatibility issues and then it gave birth to the .net technology, which incorporates the safer execution of code through CLR. DNA is also suffered with SIDE-BY-SIDE execution and importing and plumbing of code while executing the application into our server in asp3.0 but in .net it was completely revealed and the problem was diagnosed. DMA makes and support the two tiers and three tier to n-tier architecture application in which it can be able to communicate and transfer the data as much as it can but practically it was very difficult with "Windows DNA".