Oracle TNS Listener cannot be started because the machine name is modified

When oracle was installed, the machine name was host = user49561.

After modification, start the oracletnslisener service in the control panel service and immediately stop

Use the command line tool instead:

LSNRCTL

Start

Tip:

Tnslsnr for 32-bit windows: Version 9.2.0.1.0-Production

System parameter file is D: \ oracle \ ora92 \ Network \ admin \ listener. ora

Log messages written to D: \ oracle \ ora92 \ Network \ log \ listener. Log

Listening On: (description = (address = (Protocol = IPC) (pipename = \. \ PIPE \ extproc0ipc

)))

Error listening on: (description = (address = (Protocol = TCP) (host = user49561) (Port = 15

21 )))

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

32-bit Windows Error: 1001: Unknown error

Listener failed to start. See the error message (s) abve...

It turns out that