SyntaxFix

[sql] The network adapter could not establish the connection - Oracle 11g

I had the similar issue. its resolved for me with a simple command.

lsnrctl start

The Network Adapter exception is caused because:

  1. The database host name or port number is wrong (OR)
  2. The database TNSListener has not been started. The TNSListener may be started with the lsnrctl utility.

Try to start the listener using the command prompt:

  1. Click Start, type cmd in the search field, and when cmd shows up in the list of options, right click it and select ‘Run as Administrator’.
  2. At the Command Prompt window, type lsnrctl start without the quotes and press Enter.
  3. Type Exit and press Enter.

Hope it helps.

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