Hello,
I had to reassign/reissue the SSL in Exchange 2010. Now Outlook is getting the error:
Information you exchange with this site cannot be viewed or changed by others. However, there is a problem with the site's security certificate.
The security certificate is from a trusted certifying authority.
The security certificate date is valid.
The name on the security certificate is invalid or does not match the name of this site.
I have done view certificate and install, but it keeps popping up when I re-open Outlook.
Any advice is greatly appreciated.
Have a great day,
Don
And in doing this and following the exact instructions in the article, I got the exact message you were getting.
I'm not sure if you create the CSR from the Exchange interface or from the Certificates MMC, but for Exchange, you will need: Digital Signature, Key Encipherment, and Server Authentication, and it needs to be 2048 bit and an Exchange Key (as opposed to Signature) -- Here's a screencast that shows how to create the CSR correctly: http://www.netometer.com/video/misc/SAN-request/ (not needed if you're using the Exchange console to create it though .. but is good for reference anyway)
When you download the cert, try to download it as a WebCertificate, and DER encoded instead of Base 64. (the article above states Base 64, but what worked for me was getting the DER Encoded. Give that a shot and see if it works for you.