LISDB = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.0.22.141)(PORT = 1521)) ) (CONNECT_DATA = (SID = lisdb) ) ) 要不行,把tnsnames.ora删掉,用Configuration Assistant重新建 还不行啊,你确定lisdb是正确的配的时候测试是否通过

把..NetworkAdmin下的文件全删掉,再用Configuration Assistant配置试试