diff --git a/dlls/windows.media.speech/private.h b/dlls/windows.media.speech/private.h
index 3c8371ccdbe..348c060c1c6 100644
--- a/dlls/windows.media.speech/private.h
+++ b/dlls/windows.media.speech/private.h
@@ -61,6 +61,11 @@ extern IActivationFactory *synthesizer_factory;
 
 
 
+struct vector_iids
+{
+    const GUID *vector;
+};
+
 HRESULT typed_event_handlers_append( struct list *list, ITypedEventHandler_IInspectable_IInspectable *handler, EventRegistrationToken *token );
 HRESULT typed_event_handlers_remove( struct list *list, EventRegistrationToken *token );
 HRESULT typed_event_handlers_notify( struct list *list, IInspectable *sender, IInspectable *args );
@@ -68,6 +73,7 @@ HRESULT typed_event_handlers_clear( struct list* list );
 
 HRESULT vector_hstring_create( IVector_HSTRING **out );
 HRESULT vector_hstring_create_copy( IIterable_HSTRING *iterable, IVector_HSTRING **out );
+HRESULT vector_inspectable_create( const struct vector_iids *iids, IVector_IInspectable **out );
 
 #define DEFINE_IINSPECTABLE_( pfx, iface_type, impl_type, impl_from, iface_mem, expr )             \
     static inline impl_type *impl_from( iface_type *iface )                                        \
diff --git a/dlls/windows.media.speech/recognizer.c b/dlls/windows.media.speech/recognizer.c
index da219d6bd0a..e552779937b 100644
--- a/dlls/windows.media.speech/recognizer.c
+++ b/dlls/windows.media.speech/recognizer.c
@@ -233,6 +233,7 @@ struct recognizer
     LONG ref;
 
     ISpeechContinuousRecognitionSession *session;
+    IVector_ISpeechRecognitionConstraint *constraints;
 };
 
 /*
@@ -296,6 +297,7 @@ static ULONG WINAPI recognizer_Release( ISpeechRecognizer *iface )
     if (!ref)
     {
         ISpeechContinuousRecognitionSession_Release(impl->session);
+        IVector_ISpeechRecognitionConstraint_Release(impl->constraints);
         free(impl);
     }
 
@@ -637,13 +639,22 @@ static HRESULT WINAPI recognizer_factory_Create( ISpeechRecognizerFactory *iface
 {
     struct recognizer *impl;
     struct session *session;
+    struct vector_iids constraints_iids =
+    {
+        .vector = &IID_IVector_ISpeechRecognitionConstraint,
+    };
+    HRESULT hr;
 
     TRACE("iface %p, language %p, speechrecognizer %p.\n", iface, language, speechrecognizer);
 
     *speechrecognizer = NULL;
 
     if (!(impl = calloc(1, sizeof(*impl)))) return E_OUTOFMEMORY;
-    if (!(session = calloc(1, sizeof(*session)))) return E_OUTOFMEMORY;
+    if (!(session = calloc(1, sizeof(*session))))
+    {
+        hr = E_OUTOFMEMORY;
+        goto error;
+    }
 
     if (language)
         FIXME("language parameter unused. Stub!\n");
@@ -658,11 +669,19 @@ static HRESULT WINAPI recognizer_factory_Create( ISpeechRecognizerFactory *iface
     impl->ISpeechRecognizer2_iface.lpVtbl = &speech_recognizer2_vtbl;
     impl->session = &session->ISpeechContinuousRecognitionSession_iface;
     impl->ref = 1;
+    if (FAILED(hr = vector_inspectable_create(&constraints_iids, (IVector_IInspectable**)&impl->constraints)))
+        goto error;
 
     TRACE("created SpeechRecognizer %p.\n", impl);
 
     *speechrecognizer = &impl->ISpeechRecognizer_iface;
     return S_OK;
+
+error:
+    free(session);
+    free(impl);
+
+    return hr;
 }
 
 static const struct ISpeechRecognizerFactoryVtbl speech_recognizer_factory_vtbl =
diff --git a/dlls/windows.media.speech/vector.c b/dlls/windows.media.speech/vector.c
index fcb7f483e03..e3a802fc020 100644
--- a/dlls/windows.media.speech/vector.c
+++ b/dlls/windows.media.speech/vector.c
@@ -771,3 +771,282 @@ error:
     IVector_HSTRING_Release(*out);
     return hr;
 }
+
+/*
+ *
+ * IVector<Inspectable*>
+ *
+ */
+
+struct vector_inspectable
+{
+    IVector_IInspectable IVector_IInspectable_iface;
+    struct vector_iids iids;
+    LONG ref;
+
+    UINT32 size;
+    UINT32 capacity;
+    IInspectable **elements;
+};
+
+static inline struct vector_inspectable *impl_from_IVector_IInspectable( IVector_IInspectable *iface )
+{
+    return CONTAINING_RECORD(iface, struct vector_inspectable, IVector_IInspectable_iface);
+}
+
+static HRESULT WINAPI vector_inspectable_QueryInterface( IVector_IInspectable *iface, REFIID iid, void **out )
+{
+    struct vector_inspectable *impl = impl_from_IVector_IInspectable(iface);
+
+    TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
+
+    if (IsEqualGUID(iid, &IID_IUnknown) ||
+        IsEqualGUID(iid, &IID_IInspectable) ||
+        IsEqualGUID(iid, &IID_IAgileObject) ||
+        IsEqualGUID(iid, impl->iids.vector))
+    {
+        IInspectable_AddRef((*out = &impl->IVector_IInspectable_iface));
+        return S_OK;
+    }
+
+    WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
+    *out = NULL;
+    return E_NOINTERFACE;
+}
+
+static ULONG WINAPI vector_inspectable_AddRef( IVector_IInspectable *iface )
+{
+    struct vector_inspectable *impl = impl_from_IVector_IInspectable(iface);
+    ULONG ref = InterlockedIncrement(&impl->ref);
+    TRACE("iface %p increasing refcount to %lu.\n", iface, ref);
+    return ref;
+}
+
+static ULONG WINAPI vector_inspectable_Release( IVector_IInspectable *iface )
+{
+    struct vector_inspectable *impl = impl_from_IVector_IInspectable(iface);
+    ULONG ref = InterlockedDecrement(&impl->ref);
+
+    TRACE("iface %p decreasing refcount to %lu.\n", iface, ref);
+
+    if (!ref)
+    {
+        IVector_IInspectable_Clear(iface);
+        free(impl);
+    }
+
+    return ref;
+}
+
+static HRESULT WINAPI vector_inspectable_GetIids( IVector_IInspectable *iface, ULONG *iid_count, IID **iids )
+{
+    FIXME("iface %p, iid_count %p, iids %p stub!\n", iface, iid_count, iids);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI vector_inspectable_GetRuntimeClassName( IVector_IInspectable *iface, HSTRING *class_name )
+{
+    FIXME("iface %p, class_name %p stub!\n", iface, class_name);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI vector_inspectable_GetTrustLevel( IVector_IInspectable *iface, TrustLevel *trust_level )
+{
+    FIXME("iface %p, trust_level %p stub!\n", iface, trust_level);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI vector_inspectable_GetAt( IVector_IInspectable *iface, UINT32 index, IInspectable **value )
+{
+    struct vector_inspectable *impl = impl_from_IVector_IInspectable(iface);
+
+    TRACE("iface %p, index %u, value %p.\n", iface, index, value);
+
+    *value = NULL;
+    if (index >= impl->size) return E_BOUNDS;
+
+    IInspectable_AddRef((*value = impl->elements[index]));
+    return S_OK;
+}
+
+static HRESULT WINAPI vector_inspectable_get_Size( IVector_IInspectable *iface, UINT32 *value )
+{
+    struct vector_inspectable *impl = impl_from_IVector_IInspectable(iface);
+    TRACE("iface %p, value %p.\n", iface, value);
+    *value = impl->size;
+    return S_OK;
+}
+
+static HRESULT WINAPI vector_inspectable_GetView( IVector_IInspectable *iface, IVectorView_IInspectable **value )
+{
+    FIXME("iface %p, value %p stub!\n", iface, value);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI vector_inspectable_IndexOf( IVector_IInspectable *iface,
+                                                  IInspectable *element, UINT32 *index, BOOLEAN *found )
+{
+    struct vector_inspectable *impl = impl_from_IVector_IInspectable(iface);
+    ULONG i;
+
+    TRACE("iface %p, element %p, index %p, found %p.\n", iface, element, index, found);
+
+    for (i = 0; i < impl->size; ++i) if (impl->elements[i] == element) break;
+    if ((*found = (i < impl->size))) *index = i;
+    else *index = 0;
+
+    return S_OK;
+}
+
+static HRESULT WINAPI vector_inspectable_SetAt( IVector_IInspectable *iface, UINT32 index, IInspectable *value )
+{
+    struct vector_inspectable *impl = impl_from_IVector_IInspectable(iface);
+
+    TRACE("iface %p, index %u, value %p.\n", iface, index, value);
+
+    if (index >= impl->size) return E_BOUNDS;
+    IInspectable_Release(impl->elements[index]);
+    IInspectable_AddRef((impl->elements[index] = value));
+    return S_OK;
+}
+
+static HRESULT WINAPI vector_inspectable_InsertAt( IVector_IInspectable *iface, UINT32 index, IInspectable *value )
+{
+    struct vector_inspectable *impl = impl_from_IVector_IInspectable(iface);
+    IInspectable **tmp = impl->elements;
+
+    TRACE("iface %p, index %u, value %p.\n", iface, index, value);
+
+    if (impl->size == impl->capacity)
+    {
+        impl->capacity = max(32, impl->capacity * 3 / 2);
+        if (!(impl->elements = realloc(impl->elements, impl->capacity * sizeof(*impl->elements))))
+        {
+            impl->elements = tmp;
+            return E_OUTOFMEMORY;
+        }
+    }
+
+    memmove(impl->elements + index + 1, impl->elements + index, (impl->size++ - index) * sizeof(*impl->elements));
+    IInspectable_AddRef((impl->elements[index] = value));
+    return S_OK;
+}
+
+static HRESULT WINAPI vector_inspectable_RemoveAt( IVector_IInspectable *iface, UINT32 index )
+{
+    struct vector_inspectable *impl = impl_from_IVector_IInspectable(iface);
+
+    TRACE("iface %p, index %u.\n", iface, index);
+
+    if (index >= impl->size) return E_BOUNDS;
+    IInspectable_Release(impl->elements[index]);
+    memmove(impl->elements + index, impl->elements + index + 1, (--impl->size - index) * sizeof(*impl->elements));
+    return S_OK;
+}
+
+static HRESULT WINAPI vector_inspectable_Append( IVector_IInspectable *iface, IInspectable *value )
+{
+    struct vector_inspectable *impl = impl_from_IVector_IInspectable(iface);
+
+    TRACE("iface %p, value %p.\n", iface, value);
+
+    return IVector_IInspectable_InsertAt(iface, impl->size, value);
+}
+
+static HRESULT WINAPI vector_inspectable_RemoveAtEnd( IVector_IInspectable *iface )
+{
+    struct vector_inspectable *impl = impl_from_IVector_IInspectable(iface);
+
+    TRACE("iface %p.\n", iface);
+
+    if (impl->size) IInspectable_Release(impl->elements[--impl->size]);
+    return S_OK;
+}
+
+static HRESULT WINAPI vector_inspectable_Clear( IVector_IInspectable *iface )
+{
+    struct vector_inspectable *impl = impl_from_IVector_IInspectable(iface);
+
+    TRACE("iface %p.\n", iface);
+
+    while (impl->size) IVector_IInspectable_RemoveAtEnd(iface);
+    free(impl->elements);
+    impl->capacity = 0;
+    impl->elements = NULL;
+
+    return S_OK;
+}
+
+static HRESULT WINAPI vector_inspectable_GetMany( IVector_IInspectable *iface, UINT32 start_index,
+                                                  UINT32 items_size, IInspectable **items, UINT *count )
+{
+    struct vector_inspectable *impl = impl_from_IVector_IInspectable(iface);
+    UINT32 i;
+
+    TRACE("iface %p, start_index %u, items_size %u, items %p, count %p.\n",
+           iface, start_index, items_size, items, count);
+
+    if (start_index >= impl->size) return E_BOUNDS;
+
+    for (i = start_index; i < impl->size; ++i)
+    {
+        if (i - start_index >= items_size) break;
+        IInspectable_AddRef((items[i - start_index] = impl->elements[i]));
+    }
+    *count = i - start_index;
+
+    return S_OK;
+}
+
+static HRESULT WINAPI vector_inspectable_ReplaceAll( IVector_IInspectable *iface, UINT32 count, IInspectable **items )
+{
+    HRESULT hr;
+    ULONG i;
+
+    TRACE("iface %p, count %u, items %p.\n", iface, count, items);
+
+    hr = IVector_IInspectable_Clear(iface);
+    for (i = 0; i < count && SUCCEEDED(hr); ++i) hr = IVector_IInspectable_Append(iface, items[i]);
+    return hr;
+}
+
+static const struct IVector_IInspectableVtbl vector_inspectable_vtbl =
+{
+    /* IUnknown methods */
+    vector_inspectable_QueryInterface,
+    vector_inspectable_AddRef,
+    vector_inspectable_Release,
+    /* IInspectable methods */
+    vector_inspectable_GetIids,
+    vector_inspectable_GetRuntimeClassName,
+    vector_inspectable_GetTrustLevel,
+    /* IVector<IInspectable*> methods */
+    vector_inspectable_GetAt,
+    vector_inspectable_get_Size,
+    vector_inspectable_GetView,
+    vector_inspectable_IndexOf,
+    vector_inspectable_SetAt,
+    vector_inspectable_InsertAt,
+    vector_inspectable_RemoveAt,
+    vector_inspectable_Append,
+    vector_inspectable_RemoveAtEnd,
+    vector_inspectable_Clear,
+    vector_inspectable_GetMany,
+    vector_inspectable_ReplaceAll
+};
+
+HRESULT vector_inspectable_create( const struct vector_iids *iids, IVector_IInspectable **out )
+{
+    struct vector_inspectable *impl;
+
+    TRACE("iid %s, out %p.\n", debugstr_guid(iids->vector), out);
+
+    if (!(impl = calloc(1, sizeof(*impl)))) return E_OUTOFMEMORY;
+    impl->IVector_IInspectable_iface.lpVtbl = &vector_inspectable_vtbl;
+    impl->iids = *iids;
+    impl->ref = 1;
+
+    *out = &impl->IVector_IInspectable_iface;
+    TRACE("created %p\n", *out);
+    return S_OK;
+}