TNSLSNR.EXE Suddenly Fails To Start, 'Failed to start service, error 0, TNS-12560
(Doc ID 437250.1)
Last updated on JANUARY 22, 2020
Applies to:
Oracle Net Services - Version 9.2.0.1.0 to 10.1.0.3.0 [Release 9.2 to 10.1]z*OBSOLETE: Microsoft Windows Server 2003
Microsoft Windows (32-bit)
Symptoms
After stopping the TNS Listener it suddenly fails to restart.
Error reported when manually trying to start the TNS Listener from the MSDOS/Command window:
lsnrctl start>
...
Failed to start service. Error 0.
<< Process hangs at this point for several minutes.>>
Then returns:
TNS-12560 TNS: Protocol Adapter error
Other symptoms:
No updates are seen to the listener.log, nor is a listener.trc file generated after enabling TNS Listener tracing.
Listener fails to start with only IPC protocol address or if creating a new TNS Listener on a unique TCP port.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |