I got a case on my server where I wanted the web client to work with different GP instant not the default, people start asking me you have multiple instances of Dynamics GP 2013 on your server!?! Yes I have installed the product 9 times with 9 different application instances and all are on the same SQL instant! This is what I liked with this version.
However, as I understood from the Dynamics GP Community, the web client is like the Dynamics.exe but on the web, meaning all application objects are to be loaded from the folder and the Dynamics.set will be called.
Hence, there must be somewhere to give the web client the path of the GP folder and it was there, I have noticed an XML file in the following path:
C:\Program Files\Microsoft Dynamics\GP Web Client\GPweb
File name is TenantConfiguration.xml, below is the content that explains itself:
<?xml version="1.0" encoding="utf-8"?>
<Description>Microsoft Dynamics GP 2013</Description>
<RuntimeApplicationDirectory>C:\Program Files (x86)\Microsoft Dynamics\GP2013\</RuntimeApplicationDirectory>
<SetFile>C:\Program Files (x86)\Microsoft Dynamics\GP2013\Dynamics.set</SetFile>
<DexIniFile>C:\Program Files (x86)\Microsoft Dynamics\GP2013\Data\Dex.ini</DexIniFile>