SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = CLRExtProc)
      (ORACLE_HOME = c:\app\orcladm\product\11.2.0\dbhome_1)
      (PROGRAM = extproc)
      (ENVS = "EXTPROC_DLLS=ONLY:c:\app\orcladm\product\11.2.0\dbhome_1\bin\oraclr11.dll")
    )
    (SID_DESC =
      (SID_NAME = CRNEW)
      (ORACLE_HOME = C:\app\orcladm\product\11.2.0\dbhome_1)
    )
    (SID_DESC =
      (SID_NAME = CROLD)
      (ORACLE_HOME = C:\app\orcladm\product\11.2.0\dbhome_1)
    )
  )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = Ora2016.minfin.sam.ru)(PORT = 1521))
    )
  )

ADR_BASE_LISTENER = c:\app\orcladm

SQL> conn sys/roza@crnew as sysdba;
Соединен с простаивающим экземпляром.
SQL> conn sys/roza@crold as sysdba;
Соединен с простаивающим экземпляром.
SQL> 

Enter user-name: sys@crnew as sysdba
Enter password:
ERROR:
ORA-12514: TNS:listener does not currently know of service requested in connect
descriptor


Enter user-name:

ORACLR_CONNECTION_DATA =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    )
    (CONNECT_DATA =
      (SID = CLRExtProc)
      (PRESENTATION = RO)
    )
  )

CRNEW.MINFIN.SAM.RU =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = Ora2016.minfin.sam.ru)(PORT = 1521))
    (CONNECT_DATA =
      (SID = crnew)
      (SERVER = DEDICATED)
      (SERVICE_NAME = crnew.minfin.sam.ru)
    )
  )

CROLD.MINFIN.SAM.RU =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = Ora2016.minfin.sam.ru)(PORT = 1521))
    (CONNECT_DATA =
      (SID = crold)
      (SERVER = DEDICATED)
      (SERVICE_NAME = crold.minfin.sam.ru)
    )
  )