This Windows policy determines which accounts can use a process to keep data in physical memory, preventing the system from paging the data to virtual memory on disk.
To enable the lock pages in memory option
- On the Start menu, click Run. In the Open box, type gpedit.msc.
- On the Local Group Policy Editor console, expand Computer Configuration, and then expand Windows Settings.
- Expand Security Settings, and then expand Local Policies.
- Select the User Rights Assignment folder.
The policies will be displayed in the details pane.
- In the pane, double-click Lock pages in memory.
- In the Local Security Setting – Lock pages in memory dialog box, click Add User or Group.
- In the Select Users, Service Accounts, or Groups dialog box, add an account with privileges to run sqlservr.exe.
- Log out and then log back in for this change to take effect.
Reference: https://msdn.microsoft.com/en-us/library/ms190730.aspx