ORA-12547: TNS:Lost Contact Trying To Start The Database.

(Doc ID 336285.1)

Last updated on SEPTEMBER 08, 2016

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 9.2 to 10.2]
HP-UX PA-RISC (64-bit)
***Checked for relevance on 09-Sep-2016***


After applying  OS patches customer was unable to connect as sysdba due to the next error:

$ sqlplus "/as sysdba"
ORA-12547: TNS:lost contact


The following patches were installed:
GOLDAPPS11i           B.11.11.0506.4 Applications Patches for HP-UX 11i v1, June 2005
GOLDBASE11i           B.11.11.0506.4 Base Patches for  HP-UX 11i v1, June 2005
HWEnable11i           B.11.11.0412.5 Hardware Enablement Patches for HP-UX 11 v1, December 2004
CPB_35167             2005.07.01     Custom Analysis June05


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