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Wednesday, June 14, 2017

Oracle XE listener issue fixing when changing Windows 10 system/computer name


Change the host name with your computer name or localhost in below two files
listener.ora and
tnsnames.ora

Navigation path to the files :
C:\oraclexe\app\oracle\product\11.2.0\server\network\ADMIN

Now, from the windows services, restart OracleXETNSListener and try connecting to XE SID as shown in below image.

Username : sys , Password : tiger (that is given at the time of installation)

Default password is : sysdba for sys user to connect to xe




The reason for changing host name in my case : 
Recently, I have changed the windows 10  system name and from that point of time, I didn't start oracle db in local but today when I started the oracle db and the listener, the connection for xe SID with sys/tiger credentials not worked.

listener.ora

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = C:\oraclexe\app\oracle\product\11.2.0\server)
      (PROGRAM = extproc)
    )
    (SID_DESC =
      (SID_NAME = CLRExtProc)
      (ORACLE_HOME = C:\oraclexe\app\oracle\product\11.2.0\server)
      (PROGRAM = extproc)
    )
  )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
      (ADDRESS = (PROTOCOL = TCP)(HOST = INISAH)(PORT = 1521))
    )
  )

DEFAULT_SERVICE_LISTENER = (XE)


tnsnames.ora
XE =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = INISAH)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = XE)
    )
  )

EXTPROC_CONNECTION_DATA =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
    )
    (CONNECT_DATA =
      (SID = PLSExtProc)
      (PRESENTATION = RO)
    )
  )

ORACLR_CONNECTION_DATA =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
    )
    (CONNECT_DATA =
      (SID = CLRExtProc)
      (PRESENTATION = RO)
    )
  )