Heath Stewart

Senior Software Engineer, Azure SDK

Heath is an application architect and developer, looking to help educate others to learn professional development. Besides designing and developing applications he enjoys writing about intermediate and advanced topics. Heath also consults for deployment packages and scenarios within Microsoft and for external customers.

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Book Review: Threat Modeling

July 7th, 2005
Threat Modeling by our own Frank Swiderski and Window Snyder is one of those books you should read. Threat modeling may not be new, but if you're new to threat modeling you should pick up this book.Threat modeling is about understanding threats to your application or feature and deciding how to mitigate those threats so that you aren't left ...

Latest Runtime Loaded when Hosting Managed Controls in IE

June 30th, 2005
I previously mentioned how I worked on a project that deploys managed applications via the Internet or an intranet. Some of my initial research was into hosting managed controls in Internet Explorer. The .NET Framework 1.0 originally granted no permissions to the Internet_Zone code group so we had to deploy a small setup that used a custom ...

The INSERT/UPDATE Problem for Transforms in MSI

June 15th, 2005
QA uncovered a problem when testing our patches for .NET Framework 1.0 and 1.1 lately that will ship with an updated binary that now runs as a service under Windows NT platforms. The file version was incremented but in the log file we saw the following:MSI (s) (3F:2B): Executing op: FileCopy(SourceName=netfxupd.exe|netfxupdate.exe, ...

Updating Assemblies In-place with MSI

June 10th, 2005
A frequently-asked question is how to install an assembly into the Global Assembly Cache (GAC) and overwrite the old assembly that has the same strong name. This is known as in-place updating.The first answer is "don't". Besides being a trusted global store for managed assemblies that is intrinsic to assembly resolution, the GAC also...

How to Fix Administrative Deployment for 64-bit .NET Framework Redistributables

June 7th, 2005
If you've tried to install the .NET Framework 2.0 Beta 2 redistributable for either ia64 or x64 from an administrative installation point, you might've seen an error like the following: While investigating patching scenarios for 64-bit SKUs I found that for source extraction and administrative installs the 32- and 64-bit files map to the same...

Avoid Deadlocks in your Script Host when Tearing down JScript

June 6th, 2005
A couple teams recently reported an issue where their script host hung due to deadlocks. Since jscript.dll was in the call stack for the hung thread it didn't take long for the bug to wind up in our lap, since CPX also sustains Windows Script. The problem was that as one thread was exiting and DLL_THREAD_DETACH was passed to the DllMain ...

Raw Images to be Supported in Longhorn

June 3rd, 2005
As a photography enthusiast and the son of a professional photographer (SLR, or "single lens reflex"), I am excited to read that Longhorn will support raw image formats from several manufacturers of digital cameras and digital SLRs.Raw images are pre-pixilated dumps from the image sensor - a CCD - that are comparable to film. Keeping raw ...

Shell Extensions for .NET Assemblies, Version 1.3.1976

May 30th, 2005
Today I released version 1.3.1976 of my Shell Extensions for .NET Assemblies. This version adds support for Windows Me and fixes a few bugs to provide column handlers and overlay icons for Windows Me, Windows 2000, and newer.Among the fixes was a crashing bug that occurred because of an access violation exception when sorting by the public key...

New Logo for CPX

May 20th, 2005
The Developer Division Customer Product-lifecycle Experience team has a new logo thanks to his impromptu logo contest on Channel9. CPX voted for several logos over the last couple of weeks and the winner was chosen...

Unsupported Flag Really is Unsupported for NT4 Services

May 18th, 2005
We are going through test passes on some new functionality for our patch build system and ran into a bug in a service I wrote to handle post-reboot commands without requiring an interactive login. The documentation for the SERVICE_STATUS structure for NT Services (a.k.a. Windows Services) states that the SERVICE_ACCEPT_STOP (0x40) is not ...

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