Run application with UI in Task Sheduler on Windows Server 2008

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Hi all, I need to run WinForms application on Windows Server 2008 every 5 minutes while no user is logged on. In old Windows versions UI was enabled, but now, with Session0 Isolation it is not possible to run application correctly. I tried to create a ScheduleRunner program that uses CreateProcessAsUser Win32 API function to run my application, but it does not work as well (UI is not working).

What should I do to get it working?

Thanks in advance.

Posted 6-Jun-12 6:07am

Dusan Paulovic

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Oleksandr Kulchytskyi · Answer 1 · 2012-06-06T06:59:00

Hi first of all, since invention of Vista OS, all users works in separated session , which differs from Session 0, and they have appropriate desktop instance for their session.
As far as i know, there is no Desktop instances for session 0, whereas this session intended for NT services
But i might be wrong.
Check it with help of WinApi method

C++

EnumDesktops

Good luck to you!

Dave Kreskowiak · Answer 2 · 2012-06-06T07:42:00

You have to rewrite the application as a service. If no user is logged in, there's no reason to show an interface anyway, so what's the point??

You cannot get around the Session 0 limitation. All services that try to show a UI will now be shown on an alternate desktop and the user, if any, will be notified that a service wants them to see something and if it would be OK to switch to the alternate desktop.

This is a security feature and an intermediate move to force developers to do things the correct way and stop us from writing services that show a UI.

The correct way to do this would have been to write your app as a service to do the work. The service would also expose an interface for a user application to connect to to communicate with the service and send/get data to/from it.

Run application with UI in Task Sheduler on Windows Server 2008

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