SQL Server Performance

Hi All,

We are using a Virtual Server ( Hyper V) to host our SQL Server, this server containe thre huge data bases ( Nav, CRM, BI).

Last time we remark that over 32 Giga is used almost time by this server, could this be the raison that Nav is very slow when many users acces at the same time ( 65 users )?

Wha do you suggest?

Please provide the below details:

NAV Version

SQL Server Version

RAID Configuration for DB

NAV Classic 2009 R2

SQL Server 2008 R2

RAID 5

It only NAV is slow not the other ones !