在这个目录下
D:\oracle\product\11.1.0\db_1\NETWORK\ADMIN
修改这个文件
tnsnames.ora
------------------
ORA230 =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.166.46.230)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = inomc)
)
)
bmp46.212 =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.166.46.212)(PORT = 1521))
)
(CONNECT_DATA =
(SID = ora11g)
(SERVER = DEDICATED)
)
)
-----------------------------
如上 ，注意bmp前面不能有空格
bmp46.212