Hi Vol,
I have try the tnsping, it return OK.
Here is the Listener.ORa
# LISTENER.ORA Network Configuration File: D:\Oracle8iDB\network\admin\listener.ora
# Generated by Oracle configuration tools.
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = twinhead)(PORT = 1521))
)
)
)
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = D:\Oracle8iDB)
(PROGRAM = extproc)
)
(SID_DESC =
(GLOBAL_DBNAME = PRODEMOS)
(ORACLE_HOME = D:\Oracle8iDB)
(SID_NAME = PRODEMOS)
)
)
The Tnsname.ora :
# TNSNAMES.ORA Network Configuration File: D:\Oracle8iDB\NETWORK\ADMIN\tnsnames.ora
# Generated by Oracle configuration tools.
PRODEMOS =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = TWINHEAD)(PORT = 1521))
)
(CONNECT_DATA =
(SID = PRODEMOS)
)
)
INST1_HTTP =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = twinhead)(PORT = 1521))
)
(CONNECT_DATA =
(SID = PRODEMOS)
(SERVER = SHARED)
(PRESENTATION = [URL=http://admin)]http://admin)[/URL]
)
)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC8))
(ADDRESS = (PROTOCOL = TCP)(HOST = TWINHEAD)(PORT = 1521))
)
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
)
)
Thanks all for the help