thanks for your help ,
no ,no parentheses in the path name ,
here are the details:
exe full name :
C:\Program Files\Borland\Delphi7\Projects\ODC\Project1.exe
here the sqlnet.txt :
***********************************************************************
Fatal NI connect error 12560, connecting to:
(DESCRIPTION=(ADDRESS=(PROTOCOL=BEQ)(PROGRAM=oracle)(ARGV0=oracleORCL)(ARGS='(DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq)))'))(CONNECT_DATA=(SID=ORCL)(CID=(PROGRAM=C:\Program Files\Borland\Delphi7\Projects\ODC\Project1.exe)(HOST=RSHD)(USER=Rshd))))
VERSION INFORMATION:
TNS for 32-bit Windows: Version 8.1.7.0.0 - Production
Oracle Bequeath NT Protocol Adapter for 32-bit Windows: Version 8.1.7.0.0 - Production
Time: 06-OCT-2005 13:30:36
Tracing not turned on.
Tns error struct:
nr err code: 0
ns main err code: 12560
TNS-12560: TNS:protocol adapter error
ns secondary err code: 0
nt main err code: 530
TNS-00530: Protocol adapter error
nt secondary err code: 126
nt OS err code: 0