Database Connection Fails With ORA-00600: , [sga mismatch], [need relink]
(Doc ID 1391251.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 188.8.131.52 and later
Information in this document applies to any platform.
SQL> connect /as sysdba;
ORA-12547: TNS:lost contact
In the instance alert file the following error is shown at the same time (there may not be any additional error raised in the alert file as well):
ORA-00600: internal error code, arguments: , [sga mismatch], [need relink], , , , , 
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