Oracle – Listener lsnrctl start TNS-00515: Connect failed because target host or object does not exist 64-bit Windows Error: 1004: Unknown error

listeneroracleoracle11g

I cannot get my listener to start, I have spent hours searching forums and couldn't find any solution.
My goal is to start APEX, but first I have to get listener up&running, when I try, I'm getting:

C:\Users\matulewi>lsnrctl start

LSNRCTL for 64-bit Windows: Version 11.2.0.2.0 – Production on 28-GRU-2015 15:20:45

Copyright (c) 1991, 2014, Oracle. All rights reserved.

Starting tnslsnr: please wait…

TNSLSNR for 64-bit Windows: Version 11.2.0.2.0 – Production
System parameter file is C:\oraclexe\app\oracle\product\11.2.0\server\network\admin\listener.ora
Log messages written to C:\oraclexe\app\oracle\diag\tnslsnr\MATULEWI1\listener\alert\log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\.\pipe\EXTPROC1ipc)))
Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=MATULEWI1.emea.xxxxx.net)(PORT=1521)))
TNS-12545: Connect failed because target host or object does not exist
TNS-12560: TNS:protocol adapter error
TNS-00515: Connect failed because target host or object does not exist
64-bit Windows Error: 1004: Unknown error

My tnsnames.ora:

XE =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = MATULEWI1.emea.xxxxx.net)(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)
)
)

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 = MATULEWI1.emea.xxxxx.net)(PORT = 1521))
)
)

DEFAULT_SERVICE_LISTENER = (XE)

Could somebody please help out?

k.

Best Answer

I got this error because I renamed my computer.

Fixed it when I corrected the listener.ora file.

(ADDRESS = (PROTOCOL = TCP)(HOST = YourComputerName)(PORT = 1521))
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