Exchange 2013
Exchange 2013/2019 Coexistence Video series
I have started with a video series show casing how you can run Exchange 2013 and Exchange 2019 in coexistence. There are 18 parts to the video series. This blog will be updated as more parts are created and uploaded. Exchange 2013/2019 Coexistence - Discussion of...
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/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...
Exchange 2010/2016: DAG member showing as down in Failover Cluster Manager
In Exchange whether it is Exchange 2010 or 2016 or maybe even 2019, when you setup a Database Availability Group (DAG) requires Failover Cluster Manager to be installed and when the DAG is formed you can see it in Failover Cluster Manager. In normal circumstances your...
Exchange 2019:- Disable Outlook Web Access (OWA) attachment downloads
If you work or manage clients in organizations that handle sensitive information like banks as an example, they might have a requirement to not allow users to download OWA attachments. You can set this company wide or you can create a new mailbox policy and assign it...
Exchange 2019:- Youtube video series
I have started with a video series on YouTube as some people like blog posts and others prefer seeing it in realtime. The series will grow but in the meantime you can start taking a look. Changing Cypher Suites on Exchange with IIS Crypto 3.0:...
Exchange 2019:- Convert distribution group to Shared Mailbox
There comes a time where you need to remove a distribution group but keep its email address but to avoid any kind of bounces, you need to ensure you have the X500 address ready to add to the mailbox or shared mailbox. Let's launch the Exchange Management Shell (EMS)...
Exchange 2013:- Event ID 106, Performance Counter Error
In Exchange, whether it is Exchange 2013 or higher, you may be presented with Event ID 106 complaining that performance counters are missing or already exists etc. Here is one of many errors below: You can re-create the performance counters and it should clear that...
Exchange 2016 – Event ID 74
In Exchange, the above event seems to log from what we have picked up when working in the Exchange Management Shell, however we cannot find what is triggering it or what the fix is. We have not only seen it here but also on Exchange 2013 and 2019. A query was sent to...