
A while ago, I wrote a post: Why can’t I run Microsoft Dynamics GP via ODBC over a WAN? which discussed the reasons why Microsoft Dynamics GP will not work well when trying to use an ODBC (Open Data Base Connectivity) connection over a WAN (Wide Area Network). The post mentioned that the only support method for running Microsoft Dynamics GP in a WAN environment was by using Terminal Server.
With Terminal Server and its clients, all the processing is performed on the Terminal Server. The only processing handled on the client is drawing the screen and communicating with the Terminal Server. The communication between the Terminal Server and the client is just the screen data to be displayed and the keyboard and mouse inputs back to the server. If the Terminal Server is slow, processing will be slow and screen refreshing might be affected. If the connection between the Terminal Server and the client is slow, processing will be fast and only the screen refreshing will be slow.
Note: Citrix sits on top of Terminal Server and provides additional functionality. So when Terminal Server is discussed it refers to both Terminal Server with and without Citrix.
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