urgent help need please

all,

our company just installed the virtual private network equipment
(Enterasyss Network), then suddenly peoplesoft application can not login to
the oracle database any more, came back with ora 12203, then I tries tnsping nothing works either, however I can do sqlplus user/password_at_tns and it lets me in ok.

any idea please?

Thanks And Regards
Chark Sairlao

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Author: Sairlao, Chark
  INET: SairlaoC_at_transfield.com.au

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