We have recently installed Exchange 2010. Clients using Outlook 2010 are receiving a security alert
Information you exchange with this site cannot be viewed or changed by others. However, there is a problem with the site's security certificate.
TICK The security certificate is from a trusted certifying authority.
TICK The security certificate date is valid
CROSS The name on the certificate is invalid or does not match the name of the site.
Do you want to proceed?
The clients are on the same network as the exchange server.
Outlook works fine whether the user clicks Yes or No.