Due to our company changing names, we recently moved to a new domain. All users were at first getting a certificate error when opening Outlook "the name on the security certificate is invalid or does not match the name of the site." After our network admin made some changes, nobody receives this error anymore except one user. The URL at the top of the security alert is the old domain, mail.olddomain.com. I checked the users Exchange Proxy Settings in Outlook, everything is showing the URL's of the new domain so I'm not sure where this is coming from. I'm assuming it has to be something on her local machine since she is the only one who still gets the error.
Thanks in advance for any help.
Exchange server 2008
Outlook 2010