Outlook certificate warning when adding an Exchange server
Certificate warning when adding an Exchange server Background When introducing a new Exchange server in an existing organization there is a common issue that appears.The new server doesn't have any certificates and because of this you will most likely see this message in Outlook on clients that are connected to your environment. I've seen this at multiple customers when they are installing a new Exchange 2016 server and adding it to their existing environment. A common scenario where this occurs is when you have an Exchange environment and a Office 365 tenant and are in the final steps of migrating to…