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"ORA-01034 ORACLE not available" Error When Running nms-install (Doc ID 2145263.1)

Last updated on SEPTEMBER 15, 2022

Applies to:

Oracle Utilities Network Management System - Version and later
Oracle Network Management for Utilities - DMS - Version and later
Information in this document applies to any platform.


When running nms-install on, the script output started like this:

Checking version of the database server.
If the database is not ready yet, you may skip this check.
Please enter connect information (or press enter to skip check):
NMS DB User: <user>
NMS DB Pass:
Oracle server(nms-dbserver-1):
Oracle port(1521):
Oracle service name(NMS1203):
DB connect failed on exception:
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
SVR4 Error: 2: No such file or directory
[SQLCode: 1034], [SQLState: 08006]


The rest of the installation ran successfully.

Why could an nms-install start off with a "ORACLE not available" error, yet run successfully?


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