Oracle:ORA-12154: TNS:could not resolve the connect identifier specified

注册表：regedit

安装oracle后用Net Manager 配置好服务名称之后，测试成功，可是PL/SQL无法连接

http://wenku.baidu.com/link?url=M3fK-v4OFeIx1mAWotKoPMKagYjZt0yMQ2ZPyZrN0DF7ID1_IiPB0BUNHS4vw80wTsGkWuNZiqH7wm_4k5SHTTvhe3gwJptpvMq49po5Y3q

# tnsnames.ora Network Configuration File: C:\oracle\product\10.2.0\client_2\NETWORK\ADMIN\tnsnames.ora
# Generated by Oracle configuration tools.

HBAMS =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.0.251)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = hbAMS)
)
)

HBCQ =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.3.227)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = hbcq)
)
)

HBJN =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.0.251)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = hbjn)
)
)

HBPZ =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.0.251)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = hbpz)
)
)

tnsnames.ora
ORA-12154: TNS: 无法解析指定的连接标识符

可以搜索关键字： 关于win7 x64 连接oracle 客户端 VS2010调试 提示“ORA-12154: TNS: 无法解析指定的连接标识符 ”

http://davidullua.cnblogs.com/articles/180792.html

最终解决方法：

http://blog.miniasp.com/post/2009/08/31/Solve-ASPNET-cannot-connect-Oracle-DB-using-Development-Server.aspx

http://blog.sina.com.cn/s/blog_6d0021460101545s.html

http://blog.sina.com.cn/s/blog_92400273010190um.html



TNS_ADMIN

C:\app\cq\product\11.2.0\dbhome_1\NETWORK\ADMIN

别忘了 重启IIS 哎本来是设置成功的。忘了重启了 试了好几遍