2 Common Issues With Microsoft Terminal Services

On January 9, 2013, in How-to, by Cubert aka (Cube Dweller)

Many WAN connections can vary in quality and latency, and often times these two characteristics will manifest themselves in disconnected terminal services sessions. By doing two relatively easy registry hacks, you can reduce these disconnects and improve the overall experience of your users.


Keep Alives:

In the registry at HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server, create or edit the DWORD value of KeepAliveEnable and set it to 1. This will… Continue reading

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Who has not started a RDP session to a Windows 2008 Server or Windows 7 system and had the previous domain credentials popup as the default login for the next system you touch. Well if you are like me and touch many different customers each day then you have no doubt had the login for your Windows 2008 terminal session show the log on of the previous domain that your were logged… Continue reading

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There are many symptoms that may arise when you are installing a new firewall on a network that is using a DSL circuit and the MTU is not set correctly. That’s right the MTU, Max transmission Unit as it is know is a happy 1500 bytes on any Ethernet,  that medium makes up most endpoint networks on the Internet. Most admins never think about what the MTU is set at… Continue reading

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The terminal server has exceeded the maximum number of allowed connections. The system can not log you on. The system has reached its licensed logon limit. Please try again later.”

This problem happens because Windows only allows two remote terminal services connections when you are in administrative mode, and you’ve either got two people already on that server, or more likely, you’ve got a disconnected session that still thinks it Continue reading

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The configuration information of the performance library “C:\WINDOWS\system32\perfts.dll” for the “TermService” service does not match the trusted performance library information stored in the registry. The functions in this library will not be treated as trusted.

This problem occurs when the size and the date of the Perfts.dll file in Windows Server 2003 SP2 dose not match the size and the date of the entry stored earlier in the registry Continue reading

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Windows Vista Remote Desktop to Terminal Server Shows Black Screen

On April 6, 2010, in How-to, by Cubert aka (Cube Dweller)

If your having an issue getting RDP client on Vist to connect to a 2003/2008 TS server you may be having issues with Vista TCP auto tuning.

To disable Vista Auto Tunning

run as an admin from cmd prompt:
netsh interface tcp set global autotuning=disabled

Then try your session again Continue reading

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