最近局域网的oracle监听服务出了一点问题，本地连接正常，但是远程访问的时候总是报ora-12545错误。ORA-12545: 因目标主机或对象不存在,连接失败

现已解决，修改后的配置文件如下

#listener.ora

# listener.ora Network Configuration File: D:\oracle\product\10.2.0\db_1\network\admin\listener.ora

# Generated by Oracle configuration tools.

SID_LIST_LISTENER =

(SID_LIST =

(SID_DESC =

(SID_NAME = PLSExtProc)

(ORACLE_HOME = D:\oracle\product\10.2.0\db_1)

(PROGRAM = extproc)

)

(SID_DESC =

(SID_NAME = orcl)

(ORACLE_HOME = D:\oracle\product\10.2.0\db_1)

)

)

LISTENER =

(DESCRIPTION_LIST =

(DESCRIPTION =

(ADDRESS_LIST =

(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))

)

(ADDRESS_LIST =

(ADDRESS = (PROTOCOL = TCP)(HOST = ecss-dev)(PORT = 1521))

)

)

)

#sqlnet.ora

# This file is actually generated by netca. But if customers choose to

# install "Software Only", this file wont exist and without the native

# authentication, they will not be able to connect to the database on NT.

SQLNET.AUTHENTICATION_SERVICES = (NTS)

NAMES.DIRECTORY_PATH= (EZCONNECT)

#tnsnames.ora

orcl =

(DESCRIPTION =

(ADDRESS = (PROTOCOL = TCP)(HOST = ecss-dev)(PORT = 1521))

(CONNECT_DATA =

(SERVER = DEDICATED)

(SERVICE_NAME = orcl)

)

)