[轉錄]Enable Multiple Concurrent Remote Desktop Connections in Windows XP

1.Download the patched termsrv.dll:
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)

2.In safe mode, replace the patched termsrv.dll in the %windir%\System32, %windir%\ServicePackFiles\i386 and %windir%\System32\dllcach folder

3.Modify/Add the registry as follows:
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Terminal 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

4.Modify the Group Policy Editor by gpedit.msc:
Computer Configuration -> Administrative Templates -> Windows Components -> Terminal Services -> Limit Number of Connections = 5
Computer Configuration -> Administrative Templates -> Windows Components -> Terminal Services -> Allow users to connect remotely to this computer = enabled
Fast User Switching in Control Panel -> User Accounts -> Change the way users log on or off = enabled

5.Restart and enjoy it

see here