Looks like it is retired now. Reference - special-announcement-about-msdn-magazine
MSDN Magazine originally started as two separate magazines, Microsoft Systems Journal and Microsoft Internet Developer, which consolidated into MSDN Magazine in 2000. Our first issue that year was entirely devoted to the Windows operating environment. How far have we all come since then? As Microsoft products and services expanded exponentially over the years, MSDN Magazine has gone through its own evolution, as well. We realized that it is time to retire MSDN Magazine and to carry on its work through Web channels like learn.microsoft.com.
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