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Not Able to Start OracleXNTNSListener in Windows Environment

To resolve this issue,

Goto your oraclexe directory and navigate to network/ADMIN 

   e.g oraclexe\app\oracle\product\11.2.0\server\network\ADMIN

Open (listener.ora) in notepad and replace the HOST address with your localhost or current-ip

e.g

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

 DEFAULT_SERVICE_LISTENER = (XE)

Open (tnsnames.ora) with notepad and replace HOST address with your localhost or current-ip address.

e.g

 XE =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = XE)
    )
  )

Open your command prompt as adminstrator and run lsnrctl start


NB: You might have to map localhost to 127.0.0.1 in the C:\Windows\System32\drivers\etc\host file by adding 127.0.0.1       localhost






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