http://blogs.msdn.com/rflaming/archive/2006/09/21/uac-in-msi-notes-credential-prompt-and-permissions.aspxThis is the eighth in a series of notes about UAC in MSI. Per the earlier caveat , these are just my notes and not an official position from the Windows Installer team . The previous entries Introduce... ...the UAC in MSI Notes series ...my view of theen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/rflaming/archive/2006/09/21/uac-in-msi-notes-credential-prompt-and-permissions.aspx#765829Fri, 22 Sep 2006 10:43:54 GMT91d46819-8472-40ad-a661-2c78acb4018c:765829InstallSite BlogWindows Vista introduces a security concept called User Account Control (UAC) which has multiple impactshttp://blogs.msdn.com/rflaming/archive/2006/09/21/uac-in-msi-notes-credential-prompt-and-permissions.aspx#769857Mon, 25 Sep 2006 04:52:51 GMT91d46819-8472-40ad-a661-2c78acb4018c:769857DevInstall.Com » Understanding UAC in Vista and Windows InstallerPingBack from <a rel="nofollow" target="_new" href="http://blog.devinstall.com/?p=6">http://blog.devinstall.com/?p=6</a>http://blogs.msdn.com/rflaming/archive/2006/09/21/uac-in-msi-notes-credential-prompt-and-permissions.aspx#819409Thu, 12 Oct 2006 15:21:15 GMT91d46819-8472-40ad-a661-2c78acb4018c:819409Christopher Painter<p>It seems that even with UAC turned off and/or noImpersonate set that CA's can encounter a more restrictive environment then in previous versions on MSI.</p> <p><a rel="nofollow" target="_new" href="http://chrpai.blogspot.com/2006/10/vista-deferred-ca-consideration.html">http://chrpai.blogspot.com/2006/10/vista-deferred-ca-consideration.html</a></p>