I applied CU7, my mistake on not mentioning that ..

I applied CU7, but think it was fixed in CU4.

One other note, if you a running SQL Server Std x64, in order to get the 'Lock Pages in Memory' feature to work you must be on SP3.

Well after applying SP3 again, we made some changes to our setup.

1) Created a Domain User to run SQL Server and Agent services under, and changed the account...

Regarding the % of usage of the pagefile thru perfmon shows 5% while task manager shows like 95%. Don't understand why there would be a difference.

Additionally the output from

exec sp_configure 'min server memory (MB)'

min - 0

max - 2147483647

config - 128

runnig - 128

exec sp_configure 'max server memory (MB)'

min - 16

max - 2147483647

config...

The Windows' pagefile.sys is basically 90% utilized, by having I the buffer pool swapped out to disk. There are 10 users connected to the DB and 20GB of RAM,...