Do the install with a verbose log and look for the elevation entries
that will say something like "MSI_LUA: Elevation required to install
product, will prompt for credentials".  See what's going on before
that. In an MSI the elevation prompts appear at the start of the
execute sequence (you don't get to choose when they appear) and
there's no reason for those custom actions to be relevant, but but
there could be something slow going on at the end of your UI sequence
- are there any CAs there?

Elevation is a result of IntallScope set to perMachine or
InstallPrivileges being elevated - you get the elevation shield
because of those settings, but tthe shield isn't what causes
elevation. It's a consequence of a button control that has the
ElevationShield attribute set telling you the elevation will occur.
---------------
Phil Wilson


On Mon, Apr 6, 2015 at 7:18 AM, Dileep S <dileep.sanamp...@gmail.com> wrote:
> Hi All,
>
> I have created MSI with two dialogs.
> 1) InstallDirDlg.wxs
> 2) ProgressDlg.wxs
>
> Enable the Elevation shield property set as 'yes' for 'Next' button in
> 'InstallDirDlg.wxs' dialog.
>
> UAC prompt displayed after some time (i.e, approximately 1 minute).
>
> Is there any way to get the UAC prompt less than 5 sec.
>
> I have used following custom actions in Execute sequence,
>  <InstallExecuteSequence>
>       <Custom Action="InstallApp" After="InstallFiles">NOT REMOVE ~=
> "ALL"</Custom>
>       <Custom Action="UnInstallApp" Before="InstallFinalize">REMOVE =
> "ALL"</Custom>
>     </InstallExecuteSequence>
>
> Can anyone help me to solve this.
>
> Thanks in advance.
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