Product reuse at Microsoft as seen through a FIM lens

Microsoft and other large software vendors often fall foul of criticisms that products overlap significantly, or that discreet functionality in one product has been written afresh when the facility is already mature in another technology. As I’ve grown to know it better, I think Microsoft’s Forefront Identity Manager (FIM) provides some interesting examples of the benefits and drawbacks of product re-use. I put these thoughts out as a set of considerations to counter the view that reuse is always a positive thing.

Note: I wrote this article a long time ago, and have always been on the fence about posting it because it’s an editorial rather than purely technical content. I’m not 100% certain this is the right place for this content, but I am publishing it here now rather than letting it rot. Because this was written a long time ago, some references are dated. Like this doesn’t speak of MIM, AADSync or AAD Connect in any detail, so put that knowledge to one side for now.

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Summary of Mark Russinovich’s Inside Windows 7 Redux

This Channel 9 “going deep” interview with Mark Russinovich dives very deep in to kernel changes in Windows 7 and Windows Server 2008 R2. I’ll do my best to summarise. It’s excellent stuff, illuminating: