@KitaYama : Does your performance problem still exist?
Did you check the "SQL Server Configuration Manager" on your client (which acts as a SQL Server now)?
Take a look into "SQL Server Network Configuration", choose your SQL Server Instance and activate TCP/IP.
Then restart your SQL Server Instance Service and try again.
Did you check the "SQL Server Configuration Manager" on your client (which acts as a SQL Server now)?
Take a look into "SQL Server Network Configuration", choose your SQL Server Instance and activate TCP/IP.
Then restart your SQL Server Instance Service and try again.