diff --git a/src/EFCore.SqlServer/Infrastructure/Internal/SqlServerModelValidator.cs b/src/EFCore.SqlServer/Infrastructure/Internal/SqlServerModelValidator.cs
index 9dc3f76bf27..5509781a84c 100644
--- a/src/EFCore.SqlServer/Infrastructure/Internal/SqlServerModelValidator.cs
+++ b/src/EFCore.SqlServer/Infrastructure/Internal/SqlServerModelValidator.cs
@@ -101,20 +101,34 @@ protected virtual void ValidateVectorColumns(
         IModel model,
         IDiagnosticsLogger<DbLoggerCategory.Model.Validation> logger)
     {
-        foreach (IConventionProperty property in model.GetEntityTypes()
-                     .SelectMany(t => t.GetDeclaredProperties())
-                     .Where(p => p.ClrType.UnwrapNullableType() == typeof(SqlVector<float>)))
+        foreach (var entityType in model.GetEntityTypes())
         {
-            if (property.GetTypeMapping() is not SqlServerVectorTypeMapping { Size: not null } vectorTypeMapping)
+            ValidateVectorColumns(entityType);
+        }
+
+        void ValidateVectorColumns(ITypeBase typeBase)
+        {
+            foreach (var property in typeBase.GetDeclaredProperties())
             {
-                throw new InvalidOperationException(
-                    SqlServerStrings.VectorDimensionsMissing(property.DeclaringType.DisplayName(), property.Name));
+                if (property.FindTypeMapping() is SqlServerVectorTypeMapping vectorTypeMapping)
+                {
+                    if (property.DeclaringType.IsMappedToJson())
+                    {
+                        throw new InvalidOperationException(
+                            SqlServerStrings.VectorPropertiesNotSupportedInJson(property.DeclaringType.DisplayName(), property.Name));
+                    }
+
+                    if (vectorTypeMapping.Size is null)
+                    {
+                        throw new InvalidOperationException(
+                            SqlServerStrings.VectorDimensionsMissing(property.DeclaringType.DisplayName(), property.Name));
+                    }
+                }
             }
 
-            if (property.DeclaringType.IsMappedToJson())
+            foreach (var complexProperty in typeBase.GetDeclaredComplexProperties())
             {
-                throw new InvalidOperationException(
-                    SqlServerStrings.VectorPropertiesNotSupportedInJson(property.DeclaringType.DisplayName(), property.Name));
+                ValidateVectorColumns(complexProperty.ComplexType);
             }
         }
     }
diff --git a/test/EFCore.SqlServer.Tests/Infrastructure/SqlServerModelValidatorTest.cs b/test/EFCore.SqlServer.Tests/Infrastructure/SqlServerModelValidatorTest.cs
index 64b94466c56..4272fd8d317 100644
--- a/test/EFCore.SqlServer.Tests/Infrastructure/SqlServerModelValidatorTest.cs
+++ b/test/EFCore.SqlServer.Tests/Infrastructure/SqlServerModelValidatorTest.cs
@@ -1105,7 +1105,7 @@ public virtual void Throws_for_vector_property_without_dimensions()
     }
 
     [ConditionalFact]
-    public virtual void Throws_for_vector_property_inside_JSON()
+    public virtual void Throws_for_vector_property_inside_JSON_owned_entity()
     {
         var modelBuilder = CreateConventionModelBuilder();
 
@@ -1121,6 +1121,27 @@ public virtual void Throws_for_vector_property_inside_JSON()
             modelBuilder);
     }
 
+    [ConditionalFact]
+    public virtual void Throws_for_vector_property_inside_JSON_complex_type()
+    {
+        var modelBuilder = CreateConventionModelBuilder();
+
+        modelBuilder.Entity<VectorInsideJsonEntity>()
+            .ComplexProperty(
+                v => v.VectorContainer,
+                n =>
+                {
+                    n.ToJson();
+                    n.Property(v => v.Vector).HasMaxLength(3);
+                });
+
+        VerifyError(
+            SqlServerStrings.VectorPropertiesNotSupportedInJson(
+                "VectorInsideJsonEntity.VectorContainer#VectorContainer",
+                nameof(VectorContainer.Vector)),
+            modelBuilder);
+    }
+
     public class VectorWithoutDimensionsEntity
     {
         public int Id { get; set; }