When restoring to another server, an encrypted backup can not be restored right away. It is after all encrypted and you would need the keys to decrypt it. Assuming you have all the files necessary you could restore the database using the following “Restore encrypted database backup” verder lezen
Recently I came across a sending error on a Microsoft Exchange 2016 server after having performed an update on the server and a reboot that followed. After the reboot everything seemed to be working fine. When I tried to send an e-mail and looked at the mailqueue on the server using the Queue Viewer (which can be found within the ‘Exchange Toolbox’) I noticed that e-mails to external domains were not send and were kept in a queue list to be retried with the following errorline:
451 4.4.0 dns query failed