If you ever get stuck burning an ISO image to DVD here is the trick.
"I found however that the dvdburn.exe utility that is included with the Windows Server 2003 Resource Kit Tools did the trick.
I installed the resource kit tools under Vista, and then just had to open a cmd prompt and type:
dvdburn d: {imagefilename} /erase
where {imagefilename} was the fully qualified path to the iso image I wanted to burn."
Courtesy of ....
One Man Shouting - How To Burn an ISO DVD Image under Windows Vista (5308)
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General, Microsoft, Tips and Tricks, Visual Studio