Remote Desktop Client & credentials saved in UPN format

Another potential head-scratcher from a recent case… Consider the situation where you have a client machine running Remote Desktop Client connecting to an RDS server Remote1 in domain Alpha, you authenticate using UPN format credentials (e.g. mytestuser@alpha.local) and elect to save the credentials into your vault. If the machine you are connecting from is not…

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HTTP.SYS / Cryptographic Services / LSASS.EXE deadlock [addendum]

NOTE: This issue has been subsequently fixed in KB237901 for Windows Vista/Server 2008 SP2 (x86 and x64). The blog entry is left for reference. This is a quick update to my previous blog entry http://blogs.technet.com/mrsnrub/archive/2009/11/19/http-sys-cryptographic-services-lsass-exe-deadlock.aspx. Note that there was a typo (now fixed) in the first release in the Rapid Publishing article I pointed to,…


End of an era… in 6 months

On July 13th 2010 2 significant things happen: 1. Windows Server 2000 is no longer supported 2. Windows Server 2003 enters “extended support” The first point means that there will not even be security updates produced for W2K any more, and it’s officially “self help” if you encounter issues. The second point means that W2K3…


Pre-mortem debug analysis

We’ve looked at generating dumps of processes, the kernel or the entire set of used physical memory pages – but there is another method to do debug analysis on the target directly rather than with a “snapshot” of what it looked like at one point in time, and sometimes this is very useful. The “live”…