There is a new twist to my problems with Access performance on Vista, and
perhaps someone can direct me toward a solution based on these new clues.

I'm on a long trip with my laptop and intermittently connect to the Internet
by dial-up. I've discovered by chance that:

(1) if I restart Vista and do not connect to the Internet, the Access front
end will properly ODBC link to the SQL Server 2005 back end on the laptop
and run very fast so long as I do not connect to the Internet.

(2) if I restart Vista and connect by dial-up to the Internet BEFORE
starting Access, the slow linking to SQL Server and subsequent abominable
performance occurs, and Access remains unusable even after disconnecting
from the Internet.

(3) if I restart Vista and connect by dial-up to the Internet AFTER starting
Access, performance is OK for varying amounts of time before performance
degrades and Access becomes unusable.

So -- is it a network protocol issue of some sort? What changes when an
Internet connection is made that will inhibit ODBC links to the SQL Server
back end?

[At home before departing on the trip, the laptop was always connected to my
wireless network before Access was started. I now realize that some
networking issue may have been causing the persistent bad performance since
I did all troubleshooting while connected to the wireless network.]

UAC is turned off and Access is run as administrator. Turning off the
firewall and virus protection are of no help.

Thanks for any insight to this problem.

Charax