Exchange 2019
Exchange 2016:- Modify the OWA login page
As an Exchange Admin or IT Admin, you are familiar with the OWA (Outlook on the Web) login page: You can change text on this page and in this article, I want to show you where you can modify the text next to where it says "sign in". First of all, you need to head over...
Exchange 2016/2019 – Upgrade your systems to ensure your security.
Upgrading Exchange servers should be nothing new to Admins however a lot of Admins prefer not to as they say "why fix something that is not broken?". With the increase attacks on Exchange 2016 and 2019, the latest Cumulative Updates (CU) CU15 for Exchange 2016 and...
Active Directory ZeroLogon Exploit
A few months ago a zerologon exploit was released and this exploit was able to do damage to an Active Directory environment. Microsoft released a patch in the next set of updates and in a 2x part video, we show you how an unpatched system is compromised vs a patched...
Exchange 2016/2019:- Flighting is not enabled for domain..oauth_not_available
The error in the description - "Flighting is not enabled for domain [email protected]_not_available" has been happening quiet often. Right, so there are two scenarios where this can happen that I have encountered: Hybrid Exchange (AD Connect - Azure) No Hybrid...
Exchange 2019 CU7: One of the quickest installs.
I have done so many Exchange installs in the past 16+ years and I have never seen an installation go as quick as CU7 for Exchange 2019. In unattended mode of the installation, normally you have to wait in the section "Copying Exchange Files" and 16% seems to just stay...
Exchange/Active Directory – all versions: Why you should have strong passwords.
Weak passwords is a common mistake with many email users or even admins that manage domains. I recently had the opportunity to demo the zerologon exploit and how it breaks your domain controllers in your environment. This means that Exchange will be broken as well. I...
Get excited:- New version of Exchange coming and so much more…
Ignite has started with a bang and with it new information about the next version of Exchange and how coexistence will work. Head over to the tech community below and watch the video on demand. Exciting new changes coming to Microsoft 365 as well and Hybrid and so...
The best way to setup Exchange 2019 is from the command line
For all those wondering what an Exchange 2019 Setup looks like on Windows Server 2019 Core, here is a snippet of what I did in my lab: If you look at the setup line, you will notice that there is a switch /InstallWindowsComponents and that is exactly what it is....
Exchange 2019/2016:- Toolbox -> Queue viewer keeps getting stuck
In Exchange 2016 and 2019 you have an option to view your queues with Queue Viewer from the Exchange Toolbox as shown below: What I have noticed with the new Cumulative Updates (CU) in both Exchange 2019 and Exchange 2016 is they get stuck loading each time the Queue...
Exchange 2016/2019:- Patch your Systems, it’s now critical.
Exchange Admins don't always like patching and they say, well it's working so why fix something that ain't broken. Well, if you are on a CU earlier than CU15, you should really consider upgrading. CU14 and CU15 have a number of fixes in them but not only that, you...