Sophos UTM 9.6: Free Let's Encrypt certificates

Sophos UTM 9.6 now also offers the long-awaited support for free Let's Encrypt certificates. Although the UTM only supports the ACMEv1 protocol and therefore cannot request wildcard certificates, SAN certificates with up to 100 DNS names can be requested automatically. Brief overview of Let's Encrypt Let's Encrypt is a certification authority (CA) that ... Read more

HowTo: Migration from Exchange 2016 to Exchange 2019 (Part 3)

In part 3 of the article series "Migration from Exchange 2016 to Exchange 2019", it is now time to migrate the data. Specifically, it is about moving the various mailboxes and public folders from Exchange 2016 to Exchange 2019. I am moving the various mailbox types individually here, if no public folders or shared mailboxes (shares) are used, you can ... Read more

HowTo: Migration from Exchange 2016 to Exchange 2019 (Part 2)

Part 1 of the article series "Migration from Exchange 2016 to Exchange 2019" only described the test environment and the installation of Exchange 2019. Now the more interesting steps follow. This part is about the configuration of Exchange 2019 for co-existence with Exchange 2016. The aim of this article is to create a functional Exchange 2019 server and ... Read more

Sophos UTM 9.6 is available

Sophos has released version 9.6 of the UTM. The update to version 9.6 requires UTM version 9.510-5. The update is version 9.600-5. Here is the list of new features: What's new in UTM 9.6? ATP: New Advanced Threat Protection Library Better performance and protection Certificates: Let's Encrypt Integration Generate and renew Let's Encrypt ... Read more

HowTo: Migration from Exchange 2016 to Exchange 2019 (Part 1)

Now that Exchange 2019 and Windows Server 2019 are available, there is nothing standing in the way of migrating from Exchange 2016 to Exchange 2019. Only the change in licensing could be problematic for some: Exchange 2019 is only available in the volume licensing program. This is the first part of the article series "Migration from Exchange 2016 to Exchange 2019" ... Read more

HowTo: Installation of Exchange 2019 on Server 2019 Core

Having already described the installation of Exchange 2019 on Server 2019 with a graphical user interface here, the recommended installation on Windows Server 2019 Core now follows. The installation of Exchange 2019 on Server Core is faster than on a server with a graphical user interface, once Exchange has been installed, you have to ... Read more

Exchange 2019: The basic configuration

After a short how-to on the Exchange 2019 installation, here are the instructions for the initial configuration. The basic configuration is almost identical to the configuration of an Exchange 2016 server. So if you have already worked with Exchange 2013/2016, you will quickly find your way around here. If Exchange 2019 has been installed on Server 2019 Core, the steps described here can be followed in ... Read more

Exchange 2019 RTM: Certificate warnings despite valid certificates

An error has crept into the Exchange 2019 RTM version that can lead to certificate warnings despite valid and correct certificates. This is caused by incorrectly configured cipher suites that do not contain support for HTTP/2. This leads to warnings in some browsers when accessing OWA or ECP, for example. The problem only occurs in the Exchange ... Read more