Logon Delays

Many of our users are experiencing a 45 second delay when attempting to logon to our network wirelessly. We are using home folders, which then adds another 10 seconds to the total amount of time elapsed between entering logon information and actually being logged in. We were wondering if any of this time is being used by Casper in the authentication process, and if so, can it be trimmed or eliminated. As an experiment, we tried logging in wirelessly to an iMac that was not imaged by Casper, and the amount of time until home folder syncing began seemed to be cut in half. Obviously, this was not a conclusive test, but it led us to question whether using Casper for imaging was part of our logon delay issue. Any thoughts on the matter would be appreciated. Thanks.
Thomas Queck
Computer Technician
New Kensington Arnold School District
tqueck at nkasd.com