by edward | Dec 24, 2020 | Exchange 2016
On your Exchange 2016 server, you might be seeing a number of 4999 Events log. Event ID 4999 is quite a broad error as it can affect multiple things. In this instance we are looking at the error below: As you can see above, it relates to OWA. You may be receiving this...
by edward | Dec 23, 2020 | Exchange 2016, Exchange 2019
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...
by edward | Dec 22, 2020 | Exchange 2016, Exchange 2019
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...
by edward | Dec 21, 2020 | Exchange 2010, Active Directory, Exchange 2013, Exchange 2016, Exchange 2019
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...
by edward | Dec 20, 2020 | Exchange 2016, Exchange 2019
The error in the description – “Flighting is not enabled for domain [email protected]…oauth_not_available” has been happening quiet often. Right, so there are two scenarios where this can happen that I have encountered: Hybrid Exchange (AD...
