Sqlplus Reports "ORA-12547: TNS:lost contact" But SRVCTL Shows Database Running (Doc ID 2975749.1)

Last updated on JULY 20, 2024

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 and later
Information in this document applies to any platform.

Able to connect remotely to the database but not able to connect locally on the server using sqlplus / as sysdba

Conversion from Single Instance to RAC

	To view full details, sign in with your My Oracle Support account.
	Don't have a My Oracle Support account? Click to get started!

In this Document

Symptoms

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.