SQL:DBLINK连接ORACLE数据库超时ORA-12170

訊息
Executed as user: LOCALHOST\administrator. 無法初始化連結伺服器 "DBLINK_ORA" 的 OLE DB 提供者 "OraOLEDB.Oracle" 的資料來源物件。 [SQLSTATE 42000] (Error 7303) 連結伺服器 "DBLINK_ORA" 的 OLE DB 提供者 "OraOLEDB.Oracle" 傳回訊息 "ORA-12170: TNS:Connect timeout occurred"。 [SQLSTATE 01000] (Error 7412). The step failed.

 

Executed as user: LOCALHOST\administrator. Cannot initialize the data source object of
OLE DB provider "OraOLEDB.Oracle" for linked server "DBLINK_ORA". [SQLSTATE 42000] (Error 7303)
OLE DB provider "OraOLEDB.Oracle" for linked server "DBLINK_ORA" returned message "ORA-12170: TNS:Connect timeout occurred". [SQLSTATE 01000] (Error 7412). The step failed.

 

未解决