Microsoft Exchange

When attempting to uninstall Exchange 2016 one a couple of the servers I got this error after running the setup.exe with the uninstall switch. The uninstallation obviously failed and would not go any further. First thing was to reboot the server and retry, but that still didn’t work. Resolution Turns out this is a fairly … Read more

Can you restore a Microsoft Exchange 2016 or 2019 mailbox database to a Microsoft Exchange SE server? The short answer is yes you can, but you must use the Recovery Database approach. Why would you want to? Well, if like us you are moving at pace to Microsoft Exchange SE to ensure you are on … Read more

Here’s an interesting one I came across today, there exists a problem whereby replacing a certificate on a Microsoft Exchange 2016 or 2019 won’t work if the Issuer and Subject of the new certificate happen to be the same as the old certificate (you are trying to replace). You’d expect most likely that when you … Read more

What to do when your self-signed certificate for Microsoft Exchange 2016 expires, Microsoft provide some good guidance about this: https://learn.microsoft.com/en-us/exchange/architecture/client-access/renew-certificates?view=exchserver-2019 You might see errors such as this when you’re trying to administer via PowerShell: You’ll have permissions so the error is a red herring, what is actually happening is you’re attempting to perform an operation … Read more

The time of on-premise Microsoft Exchange servers is beginning to draw to a close, although the Microsoft Exchange Server SE will continue, its feature complete essentially as of Exchange Server 2019, although there may be the odd minor changes here and there. Based on that replacing the certificate is a common task, the following instructions … Read more