Keycloak Upgrade to Version 26.2.5-ucs1 - Running prescript of 5.0/keycloak=26.2.5-ucs1 failed. Aborting

[dzidek23]

Hey,

You knew what the problem is, should have tried to search the forum first.

Check if this will resolve your issue:

Problem: Keycloak Upgrade Fails Due to Incorrect PostgreSQL Version Detection in Multi Node Environments

Problem When upgrading the Keycloak app on a UCS Backup node, the process fails due to an incorrect detection of the PostgreSQL version. The system reports that PostgreSQL 11 is in use, even though Keycloak is actively connected to a PostgreSQL 15 database on the Backup node. This issue occurs in scenarios where Keycloak was previously installed and removed from the Primary node, and later installed and configured on the Backup node. The upgrade script does not correctly detect the active domai…