diff --git a/src/EFCore.Cosmos/Query/Internal/EntityProjectionExpression.cs b/src/EFCore.Cosmos/Query/Internal/EntityProjectionExpression.cs
index 0162424df4a..50384104263 100644
--- a/src/EFCore.Cosmos/Query/Internal/EntityProjectionExpression.cs
+++ b/src/EFCore.Cosmos/Query/Internal/EntityProjectionExpression.cs
@@ -171,32 +171,7 @@ public virtual Expression BindNavigation(INavigation navigation, bool clientEval
         ///     doing so can result in application failures when updating to a new Entity Framework Core release.
         /// </summary>
         public virtual Expression BindMember(string name, Type entityClrType, bool clientEval, out IPropertyBase propertyBase)
-        {
-            var entityType = EntityType;
-            if (entityClrType != null
-                && !entityClrType.IsAssignableFrom(entityType.ClrType))
-            {
-                entityType = entityType.GetDerivedTypes().First(e => entityClrType.IsAssignableFrom(e.ClrType));
-            }
-
-            var property = entityType.FindProperty(name);
-            if (property != null)
-            {
-                propertyBase = property;
-                return BindProperty(property, clientEval);
-            }
-
-            var navigation = entityType.FindNavigation(name);
-            if (navigation != null)
-            {
-                propertyBase = navigation;
-                return BindNavigation(navigation, clientEval);
-            }
-
-            // Entity member not found
-            propertyBase = null;
-            return null;
-        }
+            => BindMember(MemberIdentity.Create(name), entityClrType, clientEval, out propertyBase);
 
         /// <summary>
         ///     This is an internal API that supports the Entity Framework Core infrastructure and not subject to
@@ -204,7 +179,11 @@ public virtual Expression BindMember(string name, Type entityClrType, bool clien
         ///     any release. You should only use it directly in your code with extreme caution and knowing that
         ///     doing so can result in application failures when updating to a new Entity Framework Core release.
         /// </summary>
-        public virtual Expression BindMember(MemberInfo memberInfo, Type entityClrType, bool clientEval, out IPropertyBase propertyBase)
+        public virtual Expression BindMember(
+            MemberInfo memberInfo, Type entityClrType, bool clientEval, out IPropertyBase propertyBase)
+            => BindMember(MemberIdentity.Create(memberInfo), entityClrType, clientEval, out propertyBase);
+
+        private Expression BindMember(MemberIdentity member, Type entityClrType, bool clientEval, out IPropertyBase propertyBase)
         {
             var entityType = EntityType;
             if (entityClrType != null
@@ -213,14 +192,18 @@ public virtual Expression BindMember(MemberInfo memberInfo, Type entityClrType,
                 entityType = entityType.GetDerivedTypes().First(e => entityClrType.IsAssignableFrom(e.ClrType));
             }
 
-            var property = entityType.FindProperty(memberInfo);
+            var property = member.MemberInfo == null
+                ? entityType.FindProperty(member.Name)
+                : entityType.FindProperty(member.MemberInfo);
             if (property != null)
             {
                 propertyBase = property;
                 return BindProperty(property, clientEval);
             }
 
-            var navigation = entityType.FindNavigation(memberInfo);
+            var navigation = member.MemberInfo == null
+                ? entityType.FindNavigation(member.Name)
+                : entityType.FindNavigation(member.MemberInfo);
             if (navigation != null)
             {
                 propertyBase = navigation;
diff --git a/src/EFCore.Cosmos/Update/Internal/DocumentSource.cs b/src/EFCore.Cosmos/Update/Internal/DocumentSource.cs
index 55eb47bea39..8d49ae081e5 100644
--- a/src/EFCore.Cosmos/Update/Internal/DocumentSource.cs
+++ b/src/EFCore.Cosmos/Update/Internal/DocumentSource.cs
@@ -169,7 +169,7 @@ public virtual JObject UpdateDocument(JObject document, IUpdateEntry entry)
                     var embeddedEntry = ((InternalEntityEntry)entry).StateManager.TryGetEntry(embeddedValue, fk.DeclaringEntityType);
                     if (embeddedEntry == null)
                     {
-                        return document;
+                        continue;
                     }
 
                     var embeddedDocument = embeddedDocumentSource.GetCurrentDocument(embeddedEntry);
diff --git a/src/EFCore/Infrastructure/ModelValidator.cs b/src/EFCore/Infrastructure/ModelValidator.cs
index 2d505bc1e58..2f2f8a64e48 100644
--- a/src/EFCore/Infrastructure/ModelValidator.cs
+++ b/src/EFCore/Infrastructure/ModelValidator.cs
@@ -250,6 +250,11 @@ protected virtual void ValidateIgnoredMembers([NotNull] IModel model, [NotNull]
             {
                 foreach (var ignoredMember in entityType.GetIgnoredMembers())
                 {
+                    if (entityType.FindIgnoredConfigurationSource(ignoredMember) != ConfigurationSource.Explicit)
+                    {
+                        continue;
+                    }
+
                     var property = entityType.FindProperty(ignoredMember);
                     if (property != null)
                     {
diff --git a/test/EFCore.Specification.Tests/DataAnnotationTestBase.cs b/test/EFCore.Specification.Tests/DataAnnotationTestBase.cs
index 84c7080dd59..170c00ecfcb 100644
--- a/test/EFCore.Specification.Tests/DataAnnotationTestBase.cs
+++ b/test/EFCore.Specification.Tests/DataAnnotationTestBase.cs
@@ -243,13 +243,13 @@ public virtual void NotMapped_on_base_class_property_ignores_it()
             var modelBuilder = CreateModelBuilder();
 
             modelBuilder.Entity<Unit1>();
-            modelBuilder.Entity<BaseEntity1>();
+            modelBuilder.Entity<BaseEntity1>().Property(e => e.BaseClassProperty);
 
             Validate(modelBuilder);
 
             Assert.Null(modelBuilder.Model.FindEntityType(typeof(AbstractBaseEntity1)).FindProperty("BaseClassProperty"));
-            Assert.Null(modelBuilder.Model.FindEntityType(typeof(BaseEntity1)).FindProperty("BaseClassProperty"));
-            Assert.Null(modelBuilder.Model.FindEntityType(typeof(Unit1)).FindProperty("BaseClassProperty"));
+            Assert.NotNull(modelBuilder.Model.FindEntityType(typeof(BaseEntity1)).FindProperty("BaseClassProperty"));
+            Assert.NotNull(modelBuilder.Model.FindEntityType(typeof(Unit1)).FindProperty("BaseClassProperty"));
             Assert.Null(modelBuilder.Model.FindEntityType(typeof(AbstractBaseEntity1)).FindProperty("VirtualBaseClassProperty"));
             Assert.Null(modelBuilder.Model.FindEntityType(typeof(BaseEntity1)).FindProperty("VirtualBaseClassProperty"));
             Assert.Null(modelBuilder.Model.FindEntityType(typeof(Unit1)).FindProperty("VirtualBaseClassProperty"));