Re: Instance "mydb", status UNKNOWN
Posted by ErmanArslansOracleBlog on Feb 02, 2021; 6:16am
URL: http://erman-arslan-s-oracle-forum.124.s1.nabble.com/Instance-mydb-status-UNKNOWN-tp9305p9307.html
Check NAMES.DEFAULT_DOMAIN as well.. You may have this setting in your DB's sqlnet.ora.. Check if there a need to a set in your sqlnet.ora
global names may cause this as well...