One of the benefits of being on 64bit SQL Server is that it allows you to utilize memory beyond the 4GB limit without additional changes like enabling AWE, the /PAE extensions, and the /3GB switching like were done in 32 bit SQL 2000. However, a lot of questions on the forums recently pulled some information to light about a recommended best practice, though not required, configuration of Enabling Lock Pages in Memory for x64 Servers.
Some important Links on this topic:
PSS SQL Server Engineers Blog: Do I have to assign the Lock Pages in ...
Ask the Performance Team : Lock Pages in Memory...do you really need it?
How to: Enable the Lock Pages in Memory Option (Windows)
How to reduce paging of buffer pool memory in the 64-bit version ...
If you haven't done this on your 64 bit servers already, you should review the above and change your configuration.
4 days ago