For /F command not working on windows 2003 server

FOR /F "delims==" %G IN ('SET') DO @Echo %G
on one of my windows 2003 server where its working fine with all other windows 2000 2003 and 2008 servers.
whenever i run this on my faulty server cmd is just getting end itself, but on other servers it provide the list of all env. variables and come back to prompt.
This command list all env. variable in system.