diff --git a/dev-support/ranger-docker/README.md b/dev-support/ranger-docker/README.md
index 1ddd9c3fdb..ec3a737b1a 100644
--- a/dev-support/ranger-docker/README.md
+++ b/dev-support/ranger-docker/README.md
@@ -119,6 +119,9 @@ used by the Solr audit path.
 
 ##### Setup
 
+With the default `RANGER_DB_TYPE=postgres`, OpenSearch auditing is preconfigured and runs
+out of the box — the commands below need no `install.properties` changes.
+
 ~~~
 # Prerequisites: build the audit-dispatcher tarball and download archives
 mvn clean package -DskipTests -pl distro -am
@@ -149,11 +152,12 @@ docker compose -f docker-compose.ranger.yml -f docker-compose.ranger-opensearch.
   -f docker-compose.ranger-audit-dispatcher-opensearch.yml up -d ranger-audit-ingestor ranger-audit-dispatcher-opensearch
 ~~~
 
-For **fresh Ranger installs** using OpenSearch for audits, set `audit_store=opensearch` in
-`scripts/admin/ranger-admin-install-postgres.properties` and configure the `audit_opensearch_*` properties.
+To use OpenSearch with **mysql, oracle or sqlserver** instead, enable the OpenSearch block in the matching
+`scripts/admin/ranger-admin-install-${RANGER_DB_TYPE}.properties` (uncomment the `audit_store=opensearch`
+and `audit_opensearch_*` lines and comment out the Solr block) before running the setup commands.
 
-For **existing Solr-based installs**, switching stores requires updating `audit_store=opensearch`
-in install.properties, configuring the `audit_opensearch_*` properties, and restarting Ranger Admin.
+For **existing Solr-based installs**, switch stores by setting `audit_store=opensearch` (and the
+`audit_opensearch_*` properties) in install.properties and restarting Ranger Admin.
 Similarly, check the `depends` section of the `docker-compose.ranger-service.yaml` file and add docker-compose files for these services when trying to bring up the `service` container.
 
 #### Bring up all containers
@@ -180,6 +184,9 @@ docker compose -f docker-compose.ranger.yml -f docker-compose.ranger-kafka.yml -
 # Solr dispatcher
 docker compose -f docker-compose.ranger.yml -f docker-compose.ranger-kafka.yml -f docker-compose.ranger-audit-dispatcher-solr.yml up -d
 
+# OpenSearch dispatcher (requires the ranger-opensearch container; see "OpenSearch audit flow" above)
+docker compose -f docker-compose.ranger.yml -f docker-compose.ranger-opensearch.yml -f docker-compose.ranger-kafka.yml -f docker-compose.ranger-audit-dispatcher-opensearch.yml up -d
+
 # HDFS dispatcher
 docker compose -f docker-compose.ranger.yml -f docker-compose.ranger-hadoop.yml -f docker-compose.ranger-kafka.yml -f docker-compose.ranger-audit-dispatcher-hdfs.yml up -d
 ~~~
diff --git a/dev-support/ranger-docker/scripts/admin/ranger-admin-install-mysql.properties b/dev-support/ranger-docker/scripts/admin/ranger-admin-install-mysql.properties
index 18a4c8da7f..622abd8956 100644
--- a/dev-support/ranger-docker/scripts/admin/ranger-admin-install-mysql.properties
+++ b/dev-support/ranger-docker/scripts/admin/ranger-admin-install-mysql.properties
@@ -56,6 +56,15 @@ audit_elasticsearch_password=elasticsearch
 audit_elasticsearch_index=ranger_audits
 audit_elasticsearch_bootstrap_enabled=true
 
+# audit_store=opensearch
+# audit_opensearch_urls=ranger-opensearch
+# audit_opensearch_port=9200
+# audit_opensearch_protocol=http
+# audit_opensearch_user=admin
+# audit_opensearch_password=admin
+# audit_opensearch_index=ranger_audits
+# audit_opensearch_bootstrap_enabled=true
+
 policymgr_external_url=http://ranger-admin:6080
 policymgr_http_enabled=true
 
diff --git a/dev-support/ranger-docker/scripts/admin/ranger-admin-install-oracle.properties b/dev-support/ranger-docker/scripts/admin/ranger-admin-install-oracle.properties
index 22b177c027..79a546fb7d 100644
--- a/dev-support/ranger-docker/scripts/admin/ranger-admin-install-oracle.properties
+++ b/dev-support/ranger-docker/scripts/admin/ranger-admin-install-oracle.properties
@@ -58,6 +58,15 @@ audit_elasticsearch_password=elasticsearch
 audit_elasticsearch_index=ranger_audits
 audit_elasticsearch_bootstrap_enabled=true
 
+# audit_store=opensearch
+# audit_opensearch_urls=ranger-opensearch
+# audit_opensearch_port=9200
+# audit_opensearch_protocol=http
+# audit_opensearch_user=admin
+# audit_opensearch_password=admin
+# audit_opensearch_index=ranger_audits
+# audit_opensearch_bootstrap_enabled=true
+
 policymgr_external_url=http://ranger-admin:6080
 policymgr_http_enabled=true
 
diff --git a/dev-support/ranger-docker/scripts/admin/ranger-admin-install-sqlserver.properties b/dev-support/ranger-docker/scripts/admin/ranger-admin-install-sqlserver.properties
index 8a1919374e..80f90e90bf 100644
--- a/dev-support/ranger-docker/scripts/admin/ranger-admin-install-sqlserver.properties
+++ b/dev-support/ranger-docker/scripts/admin/ranger-admin-install-sqlserver.properties
@@ -65,6 +65,15 @@ audit_elasticsearch_password=elasticsearch
 audit_elasticsearch_index=ranger_audits
 audit_elasticsearch_bootstrap_enabled=true
 
+# audit_store=opensearch
+# audit_opensearch_urls=ranger-opensearch
+# audit_opensearch_port=9200
+# audit_opensearch_protocol=http
+# audit_opensearch_user=admin
+# audit_opensearch_password=admin
+# audit_opensearch_index=ranger_audits
+# audit_opensearch_bootstrap_enabled=true
+
 policymgr_external_url=http://ranger-admin:6080
 policymgr_http_enabled=true