ORACLE DATABASE PROBLEM AND SOLUTIONS: Error : Status : Failure -Test failed: IO Error: The Network Adapter could not establish the connection

Thursday, June 3, 2021

Error : Status : Failure -Test failed: IO Error: The Network Adapter could not establish the connection

Status : Failure -Test failed: IO Error: The Network Adapter could not establish the connection (CONNECTION_ID=)

Please check the firewall , allow database port at firewall level and test using

telnet IP db_port

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