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Working with (and around) Windows Vista User Account Control
Friday, December 1st, 2006
One of the most talked about new features in Windows Vista is the User Account Control (UAC) 
security mechanism, which has gone through several names/acronyms (Limited User Account/LUA, User Account Protection/UAP) before settling into its present incarnation. Here’s a look at why UAC is needed, how it works, and how you can make it a little less annoying in everyday use.
The need for UAC
UAC addresses the problem of users routinely logging on as administrators–something that many users (including IT pros who theoretically know better) do as a matter of course because administrative privileges are required to perform so many tasks. Microsoft tried to address this in previous operating systems by providing the secondary logon feature ("run as"), but most users continued to run their systems as local administrators. Working with (and around) Windows Vista User Account Control
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