After changing GLOBAL_NAME and receiving ORA-02083, cannot log in as SYSDBA due to ORA-01075 (Doc ID 756294.1)

Last updated on SEPTEMBER 09, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 and later
Information in this document applies to any platform.
***Checked for relevance on 09-Sep-2016***

Symptoms

After changing a database GLOBAL_NAME to include an illegal character, indicated by the receipt of "ORA-02083: database name has illegal character", when trying to connect to an instance as SYSDBA, this fails like:

$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.1.0 Production on Fri Jan 27 12:11:15 2012

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ERROR:
ORA-01075: you are currently logged on

Cause

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