ADOX(Microsoft ADO Ext. 2.X for DDL and Security)の参照設定が必要。
Dim startNo As Long startNo = InputBox("開始Noを指定してください。") Dim cat As New ADOX.Catalog Set cat.ActiveConnection = CurrentProject.Connection With cat.Tables("テーブル名").Columns .Item("フィールド名").Properties("Seed") = startNo .Refresh End With Set cat = Nothing