diff --git a/inventory-script/oci_inventory.ini b/inventory-script/oci_inventory.ini
index b1ed6b7..c4dde35 100644
--- a/inventory-script/oci_inventory.ini
+++ b/inventory-script/oci_inventory.ini
@@ -65,6 +65,11 @@ hostname_format = public_ip
 # Valid values are "yes" or "no".
 # strict_hostname_checking = no
 
+# The default behavior of this script is to report all network interfaces for each host, leading to duplicates.
+# When set to yes, the script will only report each host once based on its primary interface.
+# Valid values are "yes" or "no".
+# primary_vnic_only = no
+
 # Whether to replace all non-alphanumeric characters except HASH(#), EQUALS(=), PERIOD(.) in the group and host names
 # in the inventory with an UNDERSCORE(_) character.
 sanitize_names = True
diff --git a/inventory-script/oci_inventory.py b/inventory-script/oci_inventory.py
index 62df75f..1c27d48 100755
--- a/inventory-script/oci_inventory.py
+++ b/inventory-script/oci_inventory.py
@@ -31,6 +31,7 @@
                         [--exclude-regions EXCLUDE_REGIONS]
                         [--hostname-format {fqdn,private_ip,public_ip}]
                         [--strict-hostname-checking {yes,no}]
+                        [--primary-vnic-only {yes,no}]
 
 Produce an Ansible Inventory file based on OCI
 
@@ -113,6 +114,10 @@
                         without valid hostnames(determined according to the
                         hostname format). When set to yes, the script fails
                         when any host does not have a valid hostname.
+  --primary-vnic-only {yes,no}	
+                        The default behavior of this script is to list all VNIC's	
+                        attached to a host as separate inventory items. When set	
+                        to yes, the script will only report each instance once.
 
 The script reads following environment variables:
 OCI_CONFIG_FILE,
@@ -132,6 +137,7 @@
 OCI_INVENTORY_EXCLUDE_REGIONS
 OCI_COMPARTMENT_OCID
 OCI_STRICT_HOSTNAME_CHECKING
+OCI_PRIMARY_VNIC_ONLY
 
 The inventory generated is by default grouped by each of the following:
 region
@@ -320,6 +326,7 @@ def __init__(self):
             "regions": None,
             "exclude_regions": None,
             "strict_hostname_checking": "no",
+            "primary_vnic_only": "no",
         }
         boolean_options = [
             "sanitize_names",
@@ -585,6 +592,7 @@ def read_env_vars(self):
             OCI_INVENTORY_EXCLUDE_REGIONS="exclude_regions",
             OCI_COMPARTMENT_OCID="compartment_ocid",
             OCI_STRICT_HOSTNAME_CHECKING="strict_hostname_checking",
+            OCI_PRIMARY_VNIC_ONLY="primary_vnic_only",
         )
 
         for env_var in os.environ:
@@ -1110,15 +1118,16 @@ def build_inventory_for_instance(self, instance, region):
                 for sec_list_id in subnet.security_list_ids:
                     groups.add(sec_list_id)
 
-                self.log("Creating inventory for host {0}.".format(host_name))
-                self.create_instance_inventory_for_host(
-                    instance_inventory,
-                    host_name,
-                    vars=instance_vars,
-                    groups=groups,
-                    parents=[ad, subnet.vcn_id, region_grp, region_grp],
-                    children=[subnet.id, subnet.id, ad, subnet.vcn_id],
-                )
+                if (self.params["primary_vnic_only"] == "no") or (vnic.is_primary):
+                    self.log("Creating inventory for host {0}.".format(host_name))
+                    self.create_instance_inventory_for_host(
+                        instance_inventory,
+                        host_name,
+                        vars=instance_vars,
+                        groups=groups,
+                        parents=[ad, subnet.vcn_id, region_grp, region_grp],
+                        children=[subnet.id, subnet.id, ad, subnet.vcn_id],
+                    )
 
             return instance_inventory
 
@@ -1392,6 +1401,15 @@ def parse_cli_args(self):
             "valid hostname.",
         )
 
+        parser.add_argument(	
+            "--primary-vnic-only",	
+            action="store",	
+            choices=["yes", "no"],	
+            help="The default behavior of this script is to list all VNIC's attached to a host as separate inventory "	
+            "items. When set to yes, the script will only report each instance once.",	
+        )	
+
+
         self.args = parser.parse_args()
 
     def read_settings_config(self, boolean_options, dict_options):
diff --git a/library/oci_database_facts.py b/library/oci_database_facts.py
index f122dbf..0c8aad2 100644
--- a/library/oci_database_facts.py
+++ b/library/oci_database_facts.py
@@ -210,6 +210,9 @@ def list_databases(db_client, module):
                 compartment_id=compartment_id,
                 db_home_id=db_home_id,
             )
+        else:
+            get_logger().error("Invalid parameter combination; need either database_id, or compartment_id and db_home_id")
+
     except ServiceError as ex:
         get_logger().error("Unable to list Databases due to %s", ex.message)
         module.fail_json(msg=ex.message)