diff --git a/audio/aidl/default/EngineConfigXmlConverter.cpp b/audio/aidl/default/EngineConfigXmlConverter.cpp
index 5a8b0a3..d945b17 100644
--- a/audio/aidl/default/EngineConfigXmlConverter.cpp
+++ b/audio/aidl/default/EngineConfigXmlConverter.cpp
@@ -179,8 +179,13 @@
         const eng_xsd::ProductStrategies::ProductStrategy& xsdcProductStrategy) {
     AudioHalProductStrategy aidlProductStrategy;
 
-    aidlProductStrategy.id =
-            VALUE_OR_FATAL(convertProductStrategyIdToAidl(xsdcProductStrategy.getId()));
+    if (xsdcProductStrategy.hasId()) {
+        aidlProductStrategy.id =
+                VALUE_OR_FATAL(convertProductStrategyIdToAidl(xsdcProductStrategy.getId()));
+    } else {
+        aidlProductStrategy.id =
+                VALUE_OR_FATAL(convertProductStrategyNameToAidl(xsdcProductStrategy.getName()));
+    }
     aidlProductStrategy.name = xsdcProductStrategy.getName();
 
     if (xsdcProductStrategy.hasAttributesGroup()) {
diff --git a/audio/aidl/default/config/audioPolicy/engine/audio_policy_engine_configuration.xsd b/audio/aidl/default/config/audioPolicy/engine/audio_policy_engine_configuration.xsd
index c16e366..cfd99eb 100644
--- a/audio/aidl/default/config/audioPolicy/engine/audio_policy_engine_configuration.xsd
+++ b/audio/aidl/default/config/audioPolicy/engine/audio_policy_engine_configuration.xsd
@@ -105,7 +105,8 @@
                         <xs:element name="AttributesGroup" type="AttributesGroup" minOccurs="1" maxOccurs="unbounded"/>
                     </xs:sequence>
                     <xs:attribute name="name" type="xs:string" use="required"/>
-                    <xs:attribute name="id" type="xs:int" use="required"/>
+                    <!-- Only needs to be specified for vendor strategies. -->
+                    <xs:attribute name="id" type="xs:int" use="optional"/>
                 </xs:complexType>
             </xs:element>
         </xs:sequence>
diff --git a/audio/policy/1.0/xml/audio_policy_engine_configuration.xsd b/audio/policy/1.0/xml/audio_policy_engine_configuration.xsd
index 02e593a..2b86049 100644
--- a/audio/policy/1.0/xml/audio_policy_engine_configuration.xsd
+++ b/audio/policy/1.0/xml/audio_policy_engine_configuration.xsd
@@ -105,7 +105,7 @@
                         <xs:element name="AttributesGroup" type="AttributesGroup" minOccurs="1" maxOccurs="unbounded"/>
                     </xs:sequence>
                     <xs:attribute name="name" type="xs:string" use="required"/>
-                    <xs:attribute name="id" type="xs:int" use="required"/>
+                    <xs:attribute name="id" type="xs:int" use="optional"/>
                 </xs:complexType>
             </xs:element>
         </xs:sequence>