This section collects common issues that might occur when upgrading the Wazuh central components and provides steps to resolve them.

The 'vulnerability-detector' configuration is deprecated

This warning appears because when upgrading the Wazuh manager, the /var/ossec/etc/ossec.conf file remains unchanged, retaining the previous configuration of the Wazuh Vulnerability Detection module. In addition, invalid configuration warnings might appear for the interval, min_full_scan_interval, run_on_start and provider elements. To resolve this issue, update the configuration as specified in Configuring vulnerability detection.

No username and password found in the keystore

To ensure that alerts and vulnerabilities detected by the Wazuh Vulnerability Detection module are indexed and displayed on the Wazuh dashboard, you need to add the credentials of the Wazuh indexer to the Wazuh manager keystore. In case you've forgotten your Wazuh indexer password, follow the password management guide to reset the password.

# /var/ossec/bin/wazuh-keystore -f indexer -k username -v <INDEXER_USERNAME>
# /var/ossec/bin/wazuh-keystore -f indexer -k password -v <INDEXER_PASSWORD>

IndexerConnector initialization failed

This warning might be due to incorrect keystore credentials or indicate a configuration or certificate error. To resolve this, ensure that the IP address, port, and certificate paths are configured correctly in the indexer section in /var/ossec/etc/ossec.conf.

After fixing the error and successfully connecting the Wazuh manager to the Wazuh indexer, you can see a log similar to the following:

INFO: IndexerConnector initialized successfully for index: ...

To get more information if the error persists, temporarily enable wazuh_modules.debug=2 in /var/ossec/etc/local_internal_options.conf.

Vulnerability detection seems to be disabled or has a problem

This warning indicates that the Vulnerability Detection module might be disabled or there could be a configuration error. To troubleshoot:

  1. Ensure that vulnerability-detection is enabled in /var/ossec/etc/ossec.conf.

  2. Search for <indexer> block in /var/ossec/etc/ossec.conf and ensure there are no misconfigurations or multiple blocks of the indexer section.

  3. Verify that the vulnerability index wazuh-states-vulnerabilities-* has been correctly created. You can check this under Indexer Management > Index Management > Indices configuration.

  4. If the index wasn't created, check the Wazuh manager logs for any errors or warnings, as the issue might be related to errors mentioned in previous sections:

    # cat /var/ossec/logs/ossec.log | grep -i -E "error|warn"

Application Not Found

If you encounter the message Application Not Found when accessing the Wazuh dashboard after upgrading, it might be that the configuration file /etc/wazuh-dashboard/opensearch_dashboards.yml wasn't overwritten with new changes. To resolve this issue, update the uiSettings.overrides.defaultRoute setting with the /app/wz-home value in the configuration file:

uiSettings.overrides.defaultRoute: /app/wz-home

None of the above solutions are fixing my problem

We have a welcoming community that can help you with most of the problems you might have regarding Wazuh deployment and usage

Also, you can contact us for opening issues in our GitHub repositories under the organization.

When reporting a problem, add as much information as possible, such as version, operating system or relevant logs.