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Home -> Community -> Usenet -> c.d.o.server -> Re: Problem connecting to host.
I feel that your listener is not running or running with
mismatch host addresses.
or the addresses in tnsnames.ora at client and
addresses in listener.ora don not match. your listener.ora
file residing at server in $ORACLE_HOME/network directory
will look something as below .
LISTENER =
(ADDRESS_LIST =
(ADDRESS=with this hostname from client at os level.if it works then problem is with mismatch in above said .ora files.
(PROTOCOL= TCP)
(Host= <your host name>) REM------try ping
(Port= 1521)
) )