Reverting from Apex 5.0 to 4.0.2 Results in No Apex in DBA_REGISTRY (Doc ID 2031205.1)

Last updated on FEBRUARY 08, 2017

Applies to:

Oracle Application Express (formerly HTML DB) - Version 5.0.0.00.31 and later
Information in this document applies to any platform.

Symptoms

 1.  Followed the steps in the documentation to revert APEX 5.0 to APEX 4.0.

 2. After completion there is no APEX version registered in the DBA_REGISTRY.  The apex_verify script returns "APEX IS NOT INSTALLED" and APEX is not registered in the DBA_REGISTRY

Changes

 Upgraded APEX 4.0 to 5.0 and then tried to revert to APEX 4.0.

Cause

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