Reporting Services无法连接ORACLE，在服务器安装ORACLE 11客户端版本后仍然提示以下错误：
System.Data.OracleClient 需要 Oracle 客户端软件 8.1.7 或更高版本
如图：
使用DOS命令是可以连接到ORACLE的
Micsoft用来连接oracle的odbc驱动
没有直接的odbc驱动，需要安装oracle客户端的，安装oracle客户端后，再用 Net Configuration Assistant 配置一个NET服务名
需要检查以下：
1.安装的ORACLE版本与操作系统版本是否一样，例如操作系统是64位，ORACLE是32位，会令ODBC驱动安装不上。需要统一位数版本
2.配置环境变量，可参考 http://book.51cto.com/art/201204/327158.htm
附加其它
连接字符串：
Data Source="(DESCRIPTION = ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.10.1.116)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = SEINESCM)
)
)"
服务器监听文件：C:appAdministratorproduct11.2.0client_1 etworkadmin nsnames.ora
# tnsnames.ora Network Configuration File: C:appAdministratorproduct11.2.0client_1
etworkadmin nsnames.ora
# Generated by Oracle configuration tools.
SEINESCM_32 =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.10.1.116)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = SEINESCM)
)
)
SEINESCM =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.10.1.116)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = SEINESCM)
)
)
服务器监听文件：C:appAdministratorproduct11.2.0client_1 etworkadminlistener.ora
# listener.ora Network Configuration File: C:appAdministratorproduct11.2.0client_1
etworkadminlistener.ora
# Generated by Oracle configuration tools.
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = REPORTSERVER01.ninestar.local)(PORT = 1521))
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
)
)
ADR_BASE_LISTENER = C:appAdministrator