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Wordpress admin redirect to upgrade.php

August 17, 2022

Symptom: User is redirected to /wp-admin/upgrade.php?.. when trying to access wp-admin

Cause: This occurs when the version number in wp-include/version.php is different than the one in SQL's wp_options table db_version value.


1. Create a backup of the database and files.

2. Check the database value for "db_version" in the wp_options table.

3. Update $wp_db_version in /wp-includes/version.php to match the database version.