> Why do you think you can't use just v2.5 client ?
>isn't supported from Zeoslib for Delphi 5 :( Sounds crazy, sorry. Can you provide a reason for it ? Just curious... > Choose any folder you like, put firebird.msg there and set environment > variable >FIREBIRD_MSG pointing to this folder. You should set it before you'll load >fbclient.dll. > In this case, I have conflict with version 2.5 (in this case nt works fine > the 2.5 version) because environment > variable is in system scope. Is there a way to set an environment variable in > scope only for application that set it? Sure. You can a) run your application using bat\cmd file with two lines SET FIREBIRD_MSG=<path_to_firebird.msg> <your_app.exe> or you can b) call WinApi function SetEnvironmentVariable before attempt to load fbclient.dll
