Locate the confirguration file located at C:\Program Files (x86)\MYOB\API\<version\YOB.AccountRight.API.WindowsServiceHost.exe.config


Change the instances of 'LocalHost' to the server name... mainly in this area



<appSettings>
    <add key="UserSessionTimeout" value="7"/>
    <add key="HomeName" value="AccountRight"/>
    <add key="PublicAddressServer" value="localhost"/>
    <add key="PublicAddressPort" value="8080"/>
    <add key="InstallationAddress" value="http://localhost:8080"/>
    <add key="ExecutionContext" value="WindowsService"/>
    <add key="InstallationContext" value="NETWORK"/>
    <add key="HttpsOnly" value="false"/>
    <add key="MaxReceivedMessageSize" value="1048576"/>
  </appSettings>