Exchange 2016
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 2016/2019:- Event ID 2005, Microsoft Exchange Server Auth Certificate
At a client they wanted to deploy an add-in from OWA and the Exchange Admin Center and it just wouldn't give me the option to download and when trying from the OWA you just get a blank page. Upon further investigation, we checked the event logs and were presented with...
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 Admin Center:- Checking the commands run when navigating the links
In one of my training sessions, I showed the teams that the Exchange Admin Center basically is PowerShell with a nice interface. In Exchange 2010, the logging is automatically captured but in Exchange 2016 and 2019, you need to first open the window for it to capture....
Exchange 2016:- Upgrade from the command line.
With Exchange 2013/2016 or 2019, installing updates from the command line is simple and pretty much the same. You will use the same command as per below to do the upgrade: .\Setup.exe /Mode:Upgrade /IAcceptExchangeServerLicenseTerms What you will notice is just the...
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 2016:- Quickly Recover an Exchange Server from AD
In your environment, you might have that day when you need to perform a recovery of an Exchange Server as a windows update broke exchange or the underlying storage crashed and you need to recover as the OS won't boot. What ever the case, it is not a difficult task,...
Exchange 2016 CU13 Upgrade error:- Quickly fix the upgrade error to proceed with the upgrade.
Exchange 2016 CU upgrades don't always go according to plan. In this scenario, one of my servers just wouldn't upgrade but the rest did without error. The upgrade runs like normal from the CLI but fails with the below error: "Cannot start service...
Exchange 2016:- Routing folder filling up C:\ Drive
Recently on 2 of my machines, I started noticing the C:\ space drop quickly over a week. Running my script (ClearLogs) removes about 30-40GB but on this 600GB drive, pretty much 500GB has been eaten up. Checking through each folder, I came across this folder in the...
Exchange 2016:- Upgrade to CU13 using the command line.
Exchange 2016 CU13 introduced a few more fixes and is advisable to upgrade to it. The upgrades are generally seemless and we normally do them from command line, just easier than a GUI upgrade 🙂 Firstly, you need to ensure the following is done before hand: Reboot...