Can you please provide the version, edition and bitness of your OS and SQL Server instance?

And the results of these queries:

-- memory overview

SELECT CAST(physical_memory_in_bytes / (1024.0 * 1024.0 * 1024.0) AS DECIMAL(20, 2)) AS PhysicalMemoryGB,

CAST(virtual_memory_in_bytes / (1024.0 * 1024 * 1024) AS DECIMAL(20, 2)) AS VasGB,

CAST((bpool_committed * 8) / (1024.0 * 1024.0) AS DECIMAL(20, 2)) AS BufferPoolCommittedMemoryGB,

CAST((bpool_commit_target * 8) / (1024.0 * 1024.0) AS DECIMAL(20, 2)) AS BufferPoolTargetMemoryGB,

(

SELECT CAST(CAST(value_in_use AS INT) / 1024.0 AS DECIMAL(20, 2))

FROM sys.configurations

WHERE name = 'min server memory (MB)'

) AS MinServerMemoryGB,

(

SELECT CAST(CAST(value_in_use AS INT) / 1024.0 AS DECIMAL(20, 2))

FROM sys.configurations

WHERE name = 'max server memory (MB)'

) AS MaxServerMemoryGB,

(

SELECT value_in_use

FROM sys.configurations

WHERE name = 'awe enabled'

) AS IsAweEnabled

FROM sys.dm_os_sys_info;

-- cpu overview

SELECT osi.cpu_count AS LogicalCpuCount,

osi.hyperthread_ratio AS HyperthreadCoreRatio,

osi.cpu_count / osi.hyperthread_ratio AS PhysicalCpuCount,

(

SELECT COUNT(*)

FROM sys.dm_os_schedulers

WHERE scheduler_id < osi.cpu_count

AND is_online = 1

) AS LogicalCpuOnline

FROM sys.dm_os_sys_info osi;