Communication link failure.

What could cause the Microsoft error listed below?
[Microsoft][ODBC SQL Server Driver]Communication link failure.
Thanks,Hi
Loosing connectivity to the server.
In what scenario does this occur?
Normally, network connectivity problems between a server and a client are
caused by faulty network cards, cables and switches. Also check that your
network drivers are up to date.
Regards
Mike
"Joe K." wrote:
> What could cause the Microsoft error listed below?
> [Microsoft][ODBC SQL Server Driver]Communication link failure.
> Thanks,