远程连接Oracle报ORA-12545错误解决方案

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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)
    )
  )

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