Windows XP Professional and Windows XP Media Center Edition (MCE) has Remote Desktop (RDP) service that allows the computer to be remotely connected, accessed and controlled from another computer or host. However, Windows XP machine only allows one concurrent remote desktop connection from a single user been connected to it with no multiple remote desktop sessions or connections support.
Whenever there is a remote user who user Remote Desktop Connection (RDC) client to connect to a Windows XP host, the local user is disconnected with the local console screen locked, with or without his or her permission. Remote Desktop, unlike Terminal Server Services in Windows 2000, Server 2003 and Server 2008, is designed for single user use only, no matter it’s local or remote user.
Here’s a hack to unlock the single user limitation and enable multiple concurrent remote desktop connection sessions support in Windows XP Professional and Media Center Edition, using a either a patched termserv.dll or old patched cracked termserv.dll build version version 5.1.2600.2055, so that unlimited users can simultaneously connect to a computer via Remote Desktop.
- Download a copy of patched termsrv.dll (in ZIP file) which has the Remote Desktop connection limitation deactivated for your version of Windows XP: Windows XP RTM, SP1 and SP2: termsrv.dll (version 5.1.2600.2055)
Windows XP SP2: termsrv.dll (version 5.1.2600.2180)
Windows XP SP3: termsrv.dll (version 5.1.2600.5512)
For information, the termsrv.dll patch normally has the following HEX code bits overwritten with following value:
00022A17: 74 75
00022A69: 7F 90
00022A6A: 16 90 - Restart the computer and boot info Safe Mode by pressing F8 during initial boot up and select Safe Mode. This step is only required if you’re currently running Windows Terminal Services or Remote Desktop service, and System File Protection has to be skipped and bypassed, else it will prompt the following error message to restore the original termsrv.dll.
- Go to %windir%\System32 and make a backup copy (or rename) the termsrv.dll.
- Rename or delete the termserv.dll in the %windir%\System32\dllcache folder.
- Copy the downloaded termsrv.dll into %windir%\System32, %windir%\ServicePackFiles\i386 (if exist) and %windir%\System32\dllcache.
- Then download and run the ts_multiple_sessions.bat (in ZIP file) to merge the registry value into registery, or you can run Registry Editor to manually add the following registry value: [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Te rminal Server\Licensing Core]
“EnableConcurrentSessions”=dword:00000001
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
“EnableConcurrentSessions”=dword:00000001
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
“AllowMultipleTSSessions”=dword:00000001 - Click on Start Menu -> Run command and type gpedit.msc, follow by Enter to open up the Group Policy Editor.
- Navigate to Computer Configuration -> Administrative Templates -> Windows Components -> Terminal Services.
- Enable Limit Number of Connections and set the number of connections to 3 (or more). The setting allows more than one users to use the computer and logged on at the same time.
- Ensure the Remote Desktop is enabled in System Properties’ Remote tab by selecting the radio button for Allow users to connect remotely to this computer.
- Enable and turn on Fast User Switching in Control Panel -> User Accounts -> Change the way users log on or off.
- Restart the computer normally.
Note that if you cannot replace or overwrite termserv.dll with access denied or file in use error, turn off the “Termine Services” in “Services” control panel of “Administrator Tools”. Besides, each connecting physical connections must have their own user account in the target host, and must authenticate with corresponding own user name and password credential.
To uninstall and revert back to original termsrv.dll, simply delete the patched version, and rename the backup copy back to “termsrv.dll”. You probably have to do it in Safe Mode if the Terminal Services is enabled and running.
If the Windows XP computer is connected to a domain on local networks, Windows will set the value of the regkey “AllowMultipleTSSessions” to “0″ every time the computer is restarted. To ensure that multiple or unlimited Remote Desktop connection sessions is allowed in AD domain environment, the value data for “AllowMultipleTSSessions” has to be set to “1″ on each system startup. To change the value, simply rerun the
ts_multiple_sessions.bat every time the computer is started. Alternatively, put the
ts_multiple_sessions.bat at
C:\Documents and Settings\All Users\Start Menu\Programs\Startup folder so that it will be automatically run on first user with administrative privileges that logs on to the desktop. Another workaround is to install additional service or define a sub-key in
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Curr entVersion\Run registry branch that run the registry batch file automatically on boot up, and this is useful if the computer won’t be logged on by anybody, but still requires the hack to allow unlimited Remote Desktop users to work.
Another issue is that if user closes the remote connection instead of logging off, when he or she tries to log back in, an error message related to TCP/IP event ID 4226 may occur. To resolve the issue, download and apply the Windows XP TCP/IP connection limit and Event ID 4226 patch, and set the connections to at least 50.
کد:
http://www.golod.com/2005/10/enabling-multiple-remote-desktop-sessions-in-windows-xp-professional-and-media-center-edition-2005
/
If you have ever used a real remote computer system like Citrix, then you have probably been craving multiple Remote Desktop sessions since you first fired up Windows XP Professional and/or Media Center Edition. Here is a
HACK (translated: USE AT YOUR OWN RISK), to enable multiple Remote Desktop sessions on your XP Pro or MCE 2005 box:
NOTE: You will have to have knowledge of the Windows operating system and more specifically the Windows Registry. If you have no experience with the registry, then I would recommend you find someone who does or leave these alone. I do not make any kind of warranty that this will work for you or your friends. This is provided for entertainment purposes only. Don’t call me if your computer stops working. Got it?
- Print these directions so that you have them to work from.
- Restart your computer in Safe Mode – Follow this link to learn how to restart Windows XP in Safe Mode
- Turn off/disable Remote Desktop Connection (RDC) and Terminal Services
- Right click My Computer
- Select Properties
- Click on the Remote tab at the top of the window
- UNCHECK the box next to, “Allow users to connect remotely to this computer“
- Click OK
- Go to Start -> Control Panel -> Administrative Tools -> Services
- Find Terminal Services in the list
- Right click on Terminal Services and click Properties
- In the Startup Type box, select Disabled
- Click OK to close the window
Next you will replace the current version of the
Terminal Services DLL (termsrv.dll) with an unrestricted version from a previous release of Terminal Services.
- Here is a copy of the Terminal Services DLL – Save it to your Desktop or other suitable location
- Using a file manager like Windows Explorer open C:\Windows\system32\dllcache
- Rename the file termsrv.dll to termsrv_dll.bak or whatever you would like.
- Copy the downloaded termsrv.dll file (the one you just downloaded from the web) to C:\Windows\system32\dllcache
- Open the C:\Windows\system32 folder
- Delete the file termsrv.dll in C:\Windows\system32
Now we can edit the Windows Registry to enable more than one RDP connection. Go to
Start -> Run and type
regedit – Hopefully you knew that already
Go to
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\Terminal Server\Licensing Core
Add a
DWORD Key named
EnableConcurrentSessions and give it a value of 1
Close the Registry Editor window
Go to
Start -> Run and type
gpedit.msc to run the Group Policy Editor
Browse to
Computer Configuration -> Administrative Templates -> Windows Components -> Terminal Services and double click
Limit number of connections
Select the
Enabled button and enter the number of connections you would like to enable….at least 2.
Restart Windows
Right click
My Computer and select
Properties.
Click on the
Remote tab at the top of the window
CHECK the box next to, “
Allow users to connect remotely to this computer“
Click
OK
Go to
Start -> Control Panel ->Administrative Tools -> Services. Select
Terminal Services from the list and double click it or right-click -> Properties. Set the
Startup Type to
Manual.
Restart Windows/Computer
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