It will however cause a fair amount of latency due to the compression and expansion stages. It's what you need if you are taking control remotely via a modem or ISDN line. "-encoding tight": This is the default value and the argument that gives the lowest transferred data volume. The result will then need to be translated into command line arguments for the "VNCViewer Command Line" section of the "General" tab in the TightVNC configuration tool. If you want to optimize your connection, therefore, you're going to have to try out all the different parameters and find out which combination is the best for your particular needs. This will help you get a better understanding and appreciation of what goes on (in terms of data volumes and compression times) when you chose one algorithm over another. What we suggest is that you consult the test results page on the official TightVNC site at If there was, we would have implemented it! There's clearly no one solution that covers every need. It's a case of playing with the various algorithms that can be used for encoding screen data during transfer. Using the default configuration, i.e., with full-screen refreshing, processor resource usage can easily top 70% or even 80%. Our own tests show that TightVNC's use of processor resources seldom exceeds 30% when the parameters are set as above. These parameters give a fully acceptable result for Windows graphic type applications.įor DOS applications, it's a little less sure.
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Now uncheck "Poll full screen" and make sure only the following boxes are checked: "Poll Foreground Window", "Poll Console Windows Only", and "Poll on event received only". In the TightVNC configuration panel, click on the "Connection" tab and go to the "Update handling" section. This is the most effective means for optimizing remote processor resource usage. Never try doing this if the workstation has an ATI graphics card: some of these cards are known to provoke a BSOD (Windows crash) when this feature is deactivated.You need to check out its presence in each case. This option is not necessarily available on every workstation or on every operating system.You should see a noticeable improvement in performance. Confirm the setting by clicking OK both times.
Slide the pointer completely to the left ("None"). Click on the Settings tab, the Advanced button, then the Troubleshoot tab. A "Display Properties" control panel appears.
To do so, click on the Windows desktop with the right mouse button and select Properties. One trick you can try, if for example the remote station is a server, is to completely deactivate hardware graphics acceleration. You're therefore going to have to find the best compromise between processor usage, compression time, and transfer time! When refreshing the screen, fluidity and speed are affected by a whole range of parameters: the remote station's processor, the network throughput between the two points, the performance of your local graphics card, the data encoding and type of compression used, etc. The purpose of this page is to show you ways in which you can improve your installation, explaining the various parameters you can tweak if you want to reduce response time when taking control remotely. Optimize and Simplify your VNC Installation with IDEAL Administration (installed in 2 minutes) Try IDEAL Administration during 30 days on your network for free! Moreover when taking control on a remote host I get a problem with Office 2007 sotware, since I can't open and see the menu when clicking on the Office button. I use your tool IDEAL Administration and TightVNC for taking control remotely of machines located on my local network or on a remote site and I find the response times quite sluggish.
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How to configure the TightVNC remote control tool (screen sharing)? How can I optimize the use of TightVNC?
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