In the latest versions (Wazuh 4.9.0 & OpenSearch 2.10*), SSO has updated the exchange_key format requirements (see: exchange key settings), now mandating it to be 64 characters long. This guide outlines three methods to generate the exchange key. If one method doesn’t resolve the issue, proceed to the next. Apply the change to the /etc/wazuh-indexer/opensearch-security/config.yml…