Enable Multiple User Access/Concurrent User Sessions For Remote Desktop on Windows 7

Remote Desktop Icon

Windows 7 has better access control then vista and XP and with user account control all the process are launched in protected mode even if you logged in as administrator. In case if you have installed windows 7 on another computer present in your network then only way to access it from your own machine is using remote desktop.

But if some one already logged on windows 7 then you wont be able to login as windows 7 by default doesn’t allow concurrent sessions. If you try to login to windows 7 while another users is already logged in locally or remotely then a message will be displayed as show in below screenshot.

Remote Desktop on Widnows 7

Only one user can login to windows 7. Well don’t worry some one has already found the way to allow multiple user login to windows 7 i.e Concurrent User Sessions. Here is guide to enable concurrent user sessions on Windows 7.

How to Enable Concurrent Users Sessions on Windows 7

1. Download this Concurrent sessions enabler.zip

2. Extract the files from above downloaded zip file

3. Shift+ Right Click on install.cmd file and select run as administrator.

4. That’s it. You should see below screen after you have executed install.cmd

Concurrent User Sessionson Windows 7

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35 thoughts on “Enable Multiple User Access/Concurrent User Sessions For Remote Desktop on Windows 7”

  1. Thanks GAVJC

    I’d already found it several days ago, and forgot about this thread.

    I’m also looking for the 7048 version.
    And if possibly an how-to hack termsrv.dll

  2. Yeah… they came out with the 7022 version within days of the release, i wonder why they arent doing the same with the 7048. Someone obviously knows how to hack these files, i just wish that there was a general how-to like yorself

  3. when I have time, I am tempted to look into the hex code for the original and hacked 7022 termsrv.dll files and see if I can make any headway myself into this. I think I would probably mess things up more than fix em, and the RC is going to officially be released any day now so it doesn’t really matter if I can have a concurrent sessions hack working for a month. I will just stick to 7022 until either someone comes out with a new one.

  4. I followed the instructions in Gavjc’s link and it worked beautifully for Windows 7 RTM 64-bit.

    Just hex edit your current termsrv.dll file as described in the above link and use install.cmd to install it. (You’ll have to modify install.cmd to ignore the OS version checks.)

    Very cool!

  5. Windows 7 Enterprise (Server 2008) already has this feature. It’s called terminal services; just enable it.

    If you’re referring to Windows 7 Ultimate x64, then look at the links above.

  6. MANDG: fyi, there is a version called “Windows 7 Enterprise” and that is NOT “Windows Server 2008 R2”.

  7. Awesome hack, been using it with Yoics to remotely access our home machine without having to worry about kicking my wife off.

  8. Any update on this? Not supported by Windows 7 SP1 (RTM), so it’s quickly losing validity… any tips on how to patch it manually? I really hate dropping generic-boxed-versions of files into my system, much rather patch it myself… :/

  9. If you logon then Lock the computer another user can logon and you are still logged on.
    Works great for me testing my Power User versus my Admin login.

  10. I changed the first 3 lines in the script as follows and it seems to be working ok for me….

    SET WINVER=Windows 7 Build 7601
    SET PRODUCTNAME=”Windows 7 Enterprise”

  11. copy this file from another machine %SystemRoot%System32termsrv.dll
    this should fix your problem

  12. I’ve never seen the message shown above whenever I connected to a RDP session on a WIn 7 machines, even when another user is logged on, it just closes the previous session and automatically logs in with the new user

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