Follow the steps below to configure max server memory and minimum server memory for SQL Server.

If you would like to derive the value for max server memory and minimum server memory for sql server   follow  http://mssqlwiki.com/2013/04/22/max-server-memory-do-i-need-to-configure/

Method 1

1.In Object Explorer, right-click a server and select Properties.

2.Click on Memory .

3.Under Server properties –> Memory  enter the value that you want for Minimum server memory and Maximum server memory.

Method 2

sp_configure  ‘show advanced options’,1
reconfigure with override
sp_configure   ‘max server memory (MB)’,2000 — Specify the value here
reconfigure with override

sp_configure ‘min server memory (MB)’,100– Specify the value here
reconfigure with override