Sometimes You can get “TNS-12528: TNS:listener: all appropriate instances are blocking new connections ” error.
Details of error are as follows.
TNS-12528: TNS:listener: all appropriate instances are blocking new connections
To solve this error, you can create a static listener and start it as follows.
Add the following listener descriptions to the listener.ora file under $ORACLE_HOME/network/admin.
Check your Hostname, Port, DB Name and fill them correctly.
LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.63.34)(PORT = 1521)) (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521)) ) ) SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (GLOBAL_DBNAME = MSDB) (ORACLE_HOME = /u01/app/db_home_18c ) (SID_NAME = MSDB1 ) ) )
[[email protected] ~]$ lsnrctl start LISTENER
Or Restart database and listener.
LSNRCTL> stop LSNRCTL> start SQL> shutdown immediate SQL> startup
Do you want to learn more details about RMAN, then read the following articles.
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