We have a great X509 story in Whidbey as revealed in Beta1 there is now support for Certificate Stores, Extensions, Chain building and a more robust X509Certificate2 class. On the subject of chain building, quite often you will need to install Certificate...

Late last week I was in contact with an internal team which had trouble with their ASP.Net application. The issue was that when their webpage set impersonation to true, the impersonated identity did not flow across threads like it was supposed to. This...

In Whidbey we've introduced a new feature called the ExecutionContext which flows a good bit of information across threads - among this information is the current impersonation token on a thread. Now when your code creates a new thread via Thread.Start...