Backup MX and POP3 - Why some configurations are not good

In this article I try to explain why you should avoid some special Backup MX configurations. The configuration of a Backup MX at the provider or hoster is outdated and should no longer be used. Backup MX at the provider I have often come across the configuration with a Backup MX entry for the provider. The MX entries ... Read more

HowTo: Zevenet Community Loadbalancer for Exchange 2019

Zevenet Loadbalancer is the successor to Zen Loadbalancer, for which I wrote a howto some time ago. Zevenet Loadbalancer is particularly suitable for test environments as it is quick to install and configure and is also free of charge. So here is an updated how-to on Zevenet and Exchange 2019. The Zevenet load balancer ... Read more

Howto: Exchange 2019 and Kemp Loadmaster with ESP

It's been a while since the last article on Kemp and Exchange, so here's an updated version. For this test, I used a Kemp Loadmaster VLM-5000 (which is available for free with people with MCP ID for the HomeLab) and Exchange 2019. The Loadmaster firmware used is 7.2.48. The Loadmaster ... Read more

Exchange DAG: Change database and logfile path

It can happen that the paths or the storage location of Exchange databases and log files have to be changed, for example when changing the storage system. This article is in response to a reader's question about how to do this with as little downtime as possible. There are several options for moving the database and log file paths, ... Read more

Exchange 2019: Database Availability Group (DAG)

Exchange 2019 has adopted the familiar principle of the Database Availability Group (DAG). There are no major changes to the DAG. However, something has changed in the databases. The index is now part of the database and no longer ghosts around separately in the file system. Exchange 2019 also offers the option of using SSDs as ... Read more

Expansion of the "small exchange organization" - Part 4

In the fourth part of the expansion of the small Exchange organization, it's DAG's turn. The domain controller and Sophos UTM are already running redundantly and the second Exchange server has also been prepared. To ensure that the failure of an Exchange server or the failure of the Hyper-V / ESX server can also be intercepted, an Exchange DAG (Database ... Read more

Expansion of the "small exchange organization" - Part 3

Part 3 of the expansion of the small Exchange organization deals with the installation and configuration of the second Exchange server. Installing the second Exchange server The installation of the second Exchange server can almost be copied from this article, the configuration of the VM and the installation are completely identical: Setting up a small Exchange 2016 organization (part 2) The only ... Read more

Expansion of the "small exchange organization" - Part 2

In the first part of the expansion of the small Exchange organization, the Active Directory was already designed redundantly. In this article, it's the Sophos UTM's turn. Unfortunately, in my test environment, the Fritzbox in front of the UTM forms a single point of failure. The existing UTM installation is extended by a ... Read more

Expansion of the "small exchange organization" - Part 1

In the previous articles, a very small Exchange organization was set up and the question was raised as to whether an environment for a higher number of users and better availability can be subsequently created from this. A higher number of users can of course also be mapped with a Singe Server solution if the resources are sufficient. In the case of ... Read more