[Axapta-Knowledge-Village] Importing the customtype file using defination group into axapta

Hai all, I have a issue like while importing the custom type file into axapta by creating a defination Group. How to write a code in the conversion tab (In order to generate numberseq (voucher) while importing) in the defination group of custom type file using table ledgerjournaltrans. I

[Axapta-Knowledge-Village] Axapta 3-Tire Installation

Hi All, Can anyone help me to install axapta 3.0 on 3-tire architecture with the Database Server, Application Object Server and the Client. I have already installed it, but getting an error message No Navision Axapta Object Servers could be located using the current client configuration. Can