EM 13c, EM 12c: Converting Single Instance to RAC In Enterprise Manager 12c Cloud Control Fails with Error: The instance prefix is invalid. Give a prefix with maximum 8 characters.It may be different from SID of existing single-instance database. (Doc ID 2222668.1)

Last updated on NOVEMBER 16, 2022

Applies to:

Enterprise Manager for Oracle Database - Version 12.1.0.8.0 and later
Information in this document applies to any platform.

When trying to convert a single instance database to RAC with emcli, the operation is failing with:

The instance prefix is invalid. Give a prefix with maximum 8 characters. It may be different from SID of existing single-instance database.

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In this Document

Symptoms

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