ASM Error 'ASM communication error' after adding SQLNET.WALLET_OVERRIDE into GRID sqlnet.ora file

(Doc ID 2370881.1)

Last updated on MARCH 08, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Information in this document applies to any platform.

Symptoms

After modifying the sqlnet.ora file from GRID home the following errors were generated. These errors can be seen in *_ora_* trace files and the alert log file:

Wed Mar 07 10:33:53 2018 
Archived Log entry 613167 added for thread 1 sequence 153548 ID 0xb38b3245 dest 1: 
Wed Mar 07 10:36:04 2018 
WARNING: ASM communication error: op 0 state 0x0 (15055) 
ERROR: direct connection failure with ASM
WARNING: ASM communication error: op 0 state 0x0 (15055) 
ERROR: direct connection failure with ASM 
WARNING: ASM communication error: op 0 state 0x0 (15055) 
ERROR: direct connection failure with ASM  

Cause

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