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Last active October 13, 2020 21:18
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Enable Concurrent Remote Desktop Users in Windows 8.1 x64

thanks to @neurodyne and this link for updated instructions

This works with the following versions of termsrv.dll

x64 - termsrv.dll - 6.3.9600.17095

Find Replace
39813C0600000F849E310500 B80001000089813806000090
090085C07F078BD8 090085C090908BD8
BB01000000C7 BB00000000C7

x86 - termsrv.dll - 6.3.9600.17095

Find Replace
3B81200300000F84C0EC0100 B80001000089812003000090
837DF8007415 837DF800EB15
8D44242843 8D44242890
@burgerga
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I had it working correctly, but since 1 or 2 weeks (termsv.dll is now 6.3.9600.17415) I get the warning that the other user will be logged out (the other user will get a dialog too, asking if this is ok.)

solution from here
http://www.mysysadmintips.com/windows/clients/345-multiple-rdp-remote-desktop-sessions-on-windows-8
is replacing:
39 81 3C 06 00 00 0F 84 D3 1E 02 00
with
B8 00 01 00 00 89 81 38 06 00 00 90

@czeslav87
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Solution for latest updates (April 2015), which worked for me: http://woshub.com/enable-multiple-concurrent-rdp-sessions-in-windows-8/

@jaredh
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jaredh commented Jul 29, 2015

If you've sobered up from your Windows 10 launch party and looking for the latest patch, here it is.

Windows 10 x64 - termsrv.dll - 10.0.10240.16384
Original: 39 81 3C 06 00 00 0F 84 73 42 02 00
Patch: B8 00 01 00 00 89 81 38 06 00 00 90

@blanchardx
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What about windows 10 x32 ?
Anyone with the patch ?

@atyinfosec
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Hey Jaredh, Its worked for me but the issue arises here is that when I accessed that other account from remote desktop I got temporary profile issue on that means no desktop icons no my wallpaper and in users Dir machine name .temp folder created. Do you have such issues or solution to it.

I found some solutions for windows 8 for same problem but these didn't worked for me.

@jaredh
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jaredh commented Aug 21, 2015

@aty80 I haven't experienced any issues like that on my end, sorry.

@eliekstein
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thanks @jaredh, well done!

@AaronKelley
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Windows 8.1/10 x64 GENERIC patch
I did this with the new Windows 10 TH2 build 10586 and it worked. It appears to also be consistent with all of the patches posted above.

This is for multiple users only, not concurrent sessions.
(In other words, you can have several people signed and using the PC at once, but you'll need to apply another patch in order to have two or more sessions going with the same user.)

Original: 39 81 3C 06 00 00 0F 84 ?? ?? ?? 00
Patch: B8 00 01 00 00 89 81 38 06 00 00 90

(?? ?? ?? could change from build to build... just clobber it.)

@z3r0ne
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z3r0ne commented Nov 16, 2015

@aaron44126
-Concurrent Remote Desktop sessions-

Windows 10 x64 , termsrv.dll Build 10.0.10586 Patch
http://depositfiles.com/files/2l0llrg11

@GingFreecs
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let's say i'm on computer A on user 1 and i want to use rdp to connect to user 2 on the same computer, how do i do this? it givres me an error everytime and i really need exactly this. do not suggest alternatives like vmware, it' really important that i connect to user on the same computer.

@angelhdzmultimedia
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To: GingFreecs

The solution was already given. http://woshub.com/enable-multiple-concurrent-rdp-sessions-in-windows-8/

@mickrussom
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What is the x64 patch for windows 7 For 6.1.7601.22843 ? Any help please, I keep Windows 7 alive ...

Is it possible to take the data from rdpwrap and make an dll binary patch? The pic here shows and example for 22843 x64

22843_x64_patch

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