I don't know what a host string is. What is the error in the listener.log when it exits? Is there any message in the windows event viewer? You may need to enable listener tracing if you suspect there's a listener bug and you don't see a cause in the listener.log.
Dig Deeper on Oracle database installation, upgrades and patches
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.