IPC Protocol fails with ORA-12537 and/or TNS-12518 errors after IBM AIX OS patching (7.1 Tl5 Sp01)
Last updated on APRIL 20, 2018
Applies to:
Oracle Net Services - Version 11.2.0.4 and laterIBM AIX on POWER Systems (64-bit)
Symptoms
You may get either of the following errors and issues:
1. Connections using IPC fail with:
Changes
There may have been an update to the AIX patching.
The following is one of the known patches / versions:
7.1 Tl5 Sp01
7100-05-01-1731
Cause
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