Discoverer 11g When Connecting to Desktop/Administrator Error: "Failed to connect to database - ORA-12557: TNS: protocol adapter not loadable" (Doc ID 2134398.1)

Last updated on SEPTEMBER 27, 2021

Applies to:

Oracle Discoverer - Version 11.1.1.3.0 and later
Information in this document applies to any platform.

On 11.1.1.3.0 version of Discoverer Desktop/Administrator, when attempting to connect, the following error occurs:

For example -

"Unable to connect to: <user>:@<SID>
Failed to connect to database - ORA-12557: TNS: protocol adapter not loadable"

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In this Document

Symptoms

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