| Class | Exceptions | Why | 
| Button | Entire class | Not in COM | 
| Field | Entire class | Not in COM | 
| Navigator | Entire class | Not in COM | 
| NotesACL | RemoveACLEntry | COM only | 
| NotesACLEntry | NameObject | COM only | 
  | New | Not in COM | 
| NotesDatabase | UnprocessedDocuments | Not implemented in COM (Note 1) | 
  | Create | Not in COM (Note 2) | 
  | GetURLHeaderInfo | In COM, parameters 1 and 2 are optional | 
  | New | Not in COM | 
  | Open | In COM takes no parameters (Note 2) | 
  | OpenByReplicaID | Not in COM (Note 2) | 
  | OpenIfModified | Not in COM (Note 2) | 
  | OpenMail | Not in COM (Note 2) | 
  | OpenURLDb | Not in COM | 
  | OpenWithFailover | Not in COM | 
  | UnprocessedFTSearch | Not implemented in COM (Note 1)  | 
  | UnprocessedSearch | Not implemented in COM (Note 1)  | 
| NotesDateRange | Parent | COM only | 
| NotesDateTime | Parent | COM only | 
  | New | Not in COM | 
| NotesDbDirectory | Parent | COM only | 
  | CreateDatabase | COM only (Note 2) | 
  | GetFirstDatabase | In COM, use NOTES_DATABASE instead of DATABASE due to a naming conflict | 
  | New | Not in COM | 
  | OpenDatabase | COM only (Note 2) | 
  | OpenDatabaseByReplicaID | COM only (Note 2) | 
  | OpenDatabaseIfModified | COM only (Note 2) | 
  | OpenMailDatabase | COM only (Note 2) | 
| NotesDocument | New | Not in COM | 
| NotesDocumentCollection | AddDocument | COM has optional second parameter, checkDups As Boolean = False, but it has no use currently | 
| NotesDOMParser etal. | All NotesDOM classes | Not in COM | 
| NotesDXLExporter | ExitOnFirstFatalError | Not inherited in COM (see Note 4) | 
  | Log | Not inherited in COM(see Note 4) | 
  | LogComment | Not inherited in COM(see Note 4) | 
  | Export | COM only (see Note 4) | 
| NotesDXLImporter | ExitOnFirstFatalError | Not inherited in COM (see Note 4) | 
  | Log | Not inherited in COM(see Note 4) | 
  | LogComment | Not inherited in COM(see Note 4) | 
  | Import | COM only (see Note 4) | 
| NotesEmbeddedObject | DoVerb | COM treats as Sub not Function | 
| NotesForm | Parent | COM only | 
| NotesInternational | Parent | COM only | 
| NotesItem | New | Not in COM | 
| NotesLog | Parent | COM only | 
  | New | Not in COM | 
| NotesName | Parent | COM only | 
  | New | Not in COM | 
| NotesNewsletter | Parent | COM only | 
  | New | Not in COM | 
| NotesOutline | ParentDatabase | COM only | 
  | AddEntry | Not in COM; obsolete in LotusScript | 
  | CreateEntry | In COM, parameter 2 not optional; specify Nothing for default | 
  | GetChild | Not in COM; obsolete in LotusScript | 
| NotesOutlineEntry | IsHidden | Not in COM; obsolete in LotusScript | 
  | Parent | COM only | 
  | SetAction | COM treats as Sub not Function | 
  | SetNamedElement | COM treats as Sub not Function | 
  | SetNoteLink | COM treats as Sub not Function; COM has only 1 parameter, Obj As UNKNOWN | 
  | SetURL | COM treats as Sub not Function | 
| NotesRegistration | New | Not in COM | 
| NotesReplication | No exceptions |   | 
| NotesRichTextItem | AddNewLine | In COM, parameter 1 optional and defaults to 1 | 
  | AddTab | In COM, parameter optional and defaults to 1 | 
  | New | Not in COM | 
| NotesRichTextParagraphStyle | SetTab | In COM, parameter 2 optional | 
  | SetTabs | In COM, parameter 3 optional and defaults to 1 | 
| NotesRichTextStyle | Parent | COM only | 
| NotesRichTextTab | No exceptions |   | 
| NotesSAXParser etal. | All NotesSAX classes | Not in COM | 
| NotesSession | CurrentAgent | Not implemented in COM (Note 1)  | 
  | CurrentDatabase | Not implemented in COM (Note 1)  | 
  | DocumentContext | Not implemented in COM (Note 1) | 
  | NotesURL | COM only | 
  | ServerName | COM only | 
  | UserNameList | Not implemented in COM (Note 1)  | 
  | UserNameObject | COM only | 
  | CreateDOMParser | Not in COM | 
  | CreateRegistration | COM only | 
  | CreateSAXParser | Not in COM | 
  | CreateTimer | Not in COM | 
  | CreateXSLTransformer | Not in COM | 
  | Evaluate | COM only | 
  | Initialize | COM only | 
  | InitializeUsingNotesUserName | COM only | 
| NotesTimer | Entire class | Not in COM | 
| NotesUIDatabase | Entire class | Not in COM | 
| NotesUIDocument | Entire class | Not in COM | 
| NotesUIView | Entire class | Not in COM | 
| NotesUIWorkspace | Entire class | Not in COM | 
| NotesView | ColumnNames | COM only | 
  | CreateViewNav | COM has optional Long parameter for cache size | 
  | CreateViewNavFrom | COM has optional Long parameter for cache size | 
  | CreateViewNavFromCategory | COM has optional Long parameter for cache size | 
  | CreateViewNavFromChildren | COM has optional Long parameter for cache size | 
  | CreateViewNavFromDescendants | COM has optional Long parameter for cache size | 
  | CreateViewNavMaxLevel | COM only | 
  | GetColumn | COM only | 
| NotesViewColumn | No exceptions |   | 
| NotesViewEntry | No exceptions |   | 
| NotesViewEntryCollection | AddEntry | COM has optional second parameter, checkDups As Boolean = False, but it has no use currently | 
| NotesViewNavigator | CacheSize | COM only (Note 3) | 
  | GetCurrent | COM only | 
  | GotoChild | COM only | 
  | GotoEntry | COM only | 
  | GotoFirst | COM only | 
  | GotoFirstDocument | COM only | 
  | GotoLast | COM only | 
  | GotoLastDocument | COM only | 
  | GotoNext | COM only | 
  | GotoNextCategory | COM only | 
  | GotoNextDocument | COM only | 
  | GotoNextSibling | COM only | 
  | GotoParent | COM only | 
  | GotoPos | COM only | 
  | GotoPrev | COM only | 
  | GotoPrevCategory | COM only | 
  | GotoPrevDocument | COM only | 
  | GotoPrevSibling | COM only | 
| NotesXMLProcessor | Entire class | Not in COM | 
| NotesXSLTransformer | Entire class | Not in COM |