Is the N65NSS4B patch needed if NW6.5SP4A was applied or is it only needed for SP4?

I'm about to install a new server with the SP4A overlay CD and was wondering if I need to install this patch afterwards. Thanks.

Charles Velasquez
Network Manager
Midland College
Pevehouse Admin. Bldg. #116
3600 N. Garfield
Midland, TX 79705 USA
Phone: 432.686.4824
Fax: 432.686.4206