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Windows service launch UI in wrong user session in RDP multiuser session

abbas shaikh 1 Reputation point
2021-07-13T16:50:32.973+00:00

I had develop windows file watcher service to launch UI (as user give file print from menu) using createuserprocess winapi. It works fine for single user. For multi user this UI get launch in wrong user's session.

So I need launch UI in respective user's session

Any help appreciated

Windows Server
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Windows API - Win32
Windows API - Win32
A core set of Windows application programming interfaces (APIs) for desktop and server applications. Previously known as Win32 API.
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Remote Desktop
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  1. RLWA32 40,951 Reputation points
    2021-07-13T17:27:12.437+00:00

    How are you obtaining the token you are passing to CreateProcessAsUser?

    The token that you pass to CreateProcessAsUser must contain the proper session number. The session can be set with SetTokenInformation.

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  2. abbas shaikh 1 Reputation point
    2021-07-14T06:38:18.637+00:00

    Thanks for reply.

    I use winapi method WTSQuerySessionInformation to get session id. But it all sessionids currently connected users.

    I need sessionid of user who fire command to launch UI app.