You should be able to install all of those side by side with the existing certs..then flip them to use the new cert...test real fast and back out if need be.
*should* From: [email protected] [mailto:[email protected]] On Behalf Of David McSpadden Sent: Wednesday, October 22, 2014 11:20 AM To: [email protected] Subject: [Exchange] Really noob question If I update my SSLcerts today with GoDaddy on my TMG, CAS, and Mailbox servers will it take anyone down? Will it require a reboot of Mobile devices? Basically will my exec's be impaired at all because of the cert being updated?? This e-mail and any files transmitted with it are property of Indiana Members Credit Union, are confidential, and are intended solely for the use of the individual or entity to whom this e-mail is addressed. If you are not one of the named recipient(s) or otherwise have reason to believe that you have received this message in error, please notify the sender and delete this message immediately from your computer. Any other use, retention, dissemination, forwarding, printing, or copying of this email is strictly prohibited. Please consider the environment before printing this email.
