When I wanted to install CU11 for Exchange 2016, at the Prerequisites Check, I got the following error message: "There is a pending reboot from a previous installation of a Windows Server role or feature." I restarted the server twice, but still got the same message. After messing around with some registry keys and still no luck, I looked at the error message in more detail. The key part is "installation of a Windows Server role or feature". So this was not talking about a normal pending reboot Read more [...]