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I just setup my desktop as a Web and FTP server, so I need a Terminal Server on the machine for Remote Access but WinXP only allow 1 user connect at each time. After 10 minute googling, i found a solution to fix that problem. That allow multiple users connect to my machine via Remote Desktop client.

1. Disable Remote Desktop Connection (RDC) and Terminal Services

1. Right-click ‘My Computer’ on the desktop and select ‘Properties’
2. Click the ‘Remote’ tab, and make sure that the ‘Allow users to connect remotely to this computer’ checkbox is UNCHECKED, then click ‘OK’.
3. Start Menu > Control Panel > Administrative Tools > Services
4. Scroll down the list to find ‘Terminal Services’, right-click and select properties. Change the ‘Startup Type’ drop-down to ‘Disabled’ (if it is not already), and close the ‘Services’ window.

2. Disable Windows File Protection (WFP) Temporarily

1. Open the Registry Editor: Start Menu > Run > ‘regedit’
2. Navigate down in the tree to: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
3. Change the value of the ‘SFCDisable’ key on the right to ‘1? and click ‘OK’
4. Close the Registry Editor

3. Restart Computer

4. Patch termsrv.dll

1. Go to http://concurrentremotesessions.netfirms.com/
2. Download the Concurrent_Remote_sessions_SP2.zip by clicking the “Download this” link at the site above.
3. Extract the zip file.
4. Double click on Install.bat. (This will patch the termsrv.dll file)
5. Double click on enable Concurrent Remote sessions SP2.bat.

5. Make the RDC Setting in the Windows Registry Allow More than 2 Remote Connection at each time.

1. Open up the Registry Editor: Start Menu > Run > ‘regedit’
2. Navigate down in the tree to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\Licensing Core
3. Add a DWORK Key called ‘EnableConcurrentSessions’ with a value of ‘1′, then close the Registry Editor.
4. Open up the Group Policy Editor: Start Menu > Run > ‘gpedit.msc’
5. Navigate dow in the tree to: Computer Configuration > Administrative Templates > Windows Components > Termina Services. Double-click the item in the list on the right entitled ‘Limit number of connections’. Enable it, and set the number of connections to 3 (or whatever you need). Click ‘OK’.

7. Re-Enable RDC and Terminal Services

1. Go back and check that checkbox we saw in step 1.1, check it, then click ‘OK’.
2. Go back to Control Panel > Administrative Tools > Services, find the ‘Terminal Services’ item, right click on it, and change the ‘Startup Type’ value back to ‘Manual’

8. Restart your computer and that’s all about it.

References : Hacking Windows XP to allow multiple Remote Desktop Connections

Error Message: Unable to Log You on Because of an Account Restriction

 Visit http://support.microsoft.com/kb/303846

This entry was posted on Monday, May 19th, 2008 at 8:40 pm and is filed under Generals. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.