Exchange 2016
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 2016:- Transport Service starts then stops
As an Exchange Admin, you may come across an issue where the Transport Service on your Exchange Server starts and then stops or won't start. In some cases, I have seen this happen when you are running anti-virus solutions on your Exchange Server and the Transport...
Exchange 2016:- Unexpected Auth Blob Check For Clock Skew (Event ID 1035)
As many of you might know, Active Directory and Exchange as time sensitive. This means that if time is behind by 5 min or more or ahead, this messes with Exchange. If you see Event ID 1035 as shown below, the error actually tells you there is a time problem: There are...
Exchange 2016:- Event ID 4018 MSExchange ADAccess
I am one of those Techs that has to fix errors in the event logs as I don't like noise and I'm sure you don't either. I noticed in the event log in my lab that I was getting 3 alerts for Event ID 4018: One for ECP One for OWA One for another process I cannot remember...
Exchange 2016:- Event ID 1 Autodiscover
In Exchange 2016, you might notice that Event ID 1 logs often and the error you get is like the one below: If you run the command below, you will notice that the Internal and External URL's are not populated: Get-AutoDiscoverVirtualDirectory | FL server, *url*...
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...