Wednesday, 20 April 2016

Failed to connect to ASM instance. ORA-12541: TNS:no listener

Issues:

"Failed to connect to ASM instance. ORA-12541: TNS:no listener"

Check:

1. Log on to the ASM Server and set up the environment for the grid user using setenv
2. The command crs_stat -t will show the listener resource is online or offline

Possible Solutions:

Start the listener using the command -  srvctl start listener