Many configuration options available in SQL Server 7.0 or SQL Server 2000 have become obsolete or do not function any longer. Some options, such as
time slice, were introduced in SQL Server 7.0 and then immediately became obsolete.
The following configuration options are obsolete in SQL Server 2012:
Allow Update (remains listed but cannot be set)
set working set size (remains listed but has no effect)
Open Objects ...