Added keystore config steps to Vulnerability detection and to Upgradi…

source/upgrade-guide/upgrading-central-components.rst

@@ -183,6 +183,13 @@ When upgrading a multi-node Wazuh manager cluster, run the upgrade in every node
 
    .. include:: /_templates/installations/manager/configure_indexer_connection.rst
 
+#. Save the Wazuh indexer username and password into the Wazuh manager keystore using the Wazuh-keystore tool.
+
+   .. code-block:: console
+
+      # /var/ossec/bin/wazuh-keystore -f indexer -k username -v <INDEXER_USERNAME>
+      # /var/ossec/bin/wazuh-keystore -f indexer -k username -v <INDEXER_PASSWORD>
+
 #. Download the Wazuh module for Filebeat:
 
     .. code-block:: console

source/user-manual/capabilities/vulnerability-detection/configuring-scans.rst

@@ -55,6 +55,13 @@ The following configuration block shows a configuration example for Syscollector
       </synchronization>
     </wodle>
 
+Make sure you have saved the Wazuh indexer username and password into the Wazuh manager keystore using the Wazuh-keystore tool.
+
+.. code-block:: console
+
+  # /var/ossec/bin/wazuh-keystore -f indexer -k username -v <INDEXER_USERNAME>
+  # /var/ossec/bin/wazuh-keystore -f indexer -k username -v <INDEXER_PASSWORD>
+
 The Vulnerability Detection module generates logs in the Wazuh server that trigger alerts. Every alert contains the following fields:
 
 -  **CVE**: The Common Vulnerabilities and Exposures identifier for the corresponding vulnerability.