The ServiceDesk application is installed on:

-  Dell Optiplex 755 (core 2 due with 4 GB RAM)

-  Windows Server 2003 Standard Ed SP2 (Windows is updated recently)

-  SQL Server 2005 Standard Ed SP3

ServiceDesk is integrated with Active Directory and I have imported all AD users (about 2000 users)

also I have scanned the network with all PC's and Servers.. etc

now when I try to assign an asset i.e. workstation to a user and when I choose " Assign User and/or Department"

to select a user from the drop down menu it took too long time (about 5 minutes)

how can I resolve this problem..

Regards,

Fahad