Items related to messaging services with a focus on Exchange Online (EXO) and Exchange server (on-premises)
This is a reference post for Exchange 2019 screenshots of the command line installation process. You will note similarities to the Exchange 2016 installation.
Update 30-9-2021 Newer versions of Exchange 2019 have slightly modified the prerequisites and also the original command line options that are shown below. Please see the Exchange 2019 CU11 setup changes post for details.
When adding a TLS certificate on an Exchange server, the inevitable prompt will appear to enquire if you wish to overwrite the default SMTP certificate binding. While the UI in the current versions of Exchange is slightly different, it was basically the same prompt in Exchange 2010 & Exchange 2007.
While the prompt language was the same in Exchange 2007 and newer versions, the way that transpo… Read the rest “Should I Overwrite The Default Exchange SMTP Certificate?”
There was a request to fix the issue below when installing Exchange 2013 CU23. When running setup the error received was "Installing Exchange Error - Server-Gui-Mgmt-Infra isn't installed".
If you look closely at the image below, you might be able to state the answer in advance…
As a side note. If you are installing Exchange 2016 onto Windows Server 2016 and receive this error, … Read the rest “Can You Fix This? Exchange 2013 Setup – Server-Gui-Mgmt-Infra Isn’t Installed”
Today is patch Tuesday for April 2021 and there are critical Exchange server security updates in the release. You can review all of the affected products on the MSRC blog or on the Security Update Guide (SUG).
Updates have been released for supported versions of Exchange 2013, 2016 and 2019. Details can be found in KB 5001779.
Update 5-5-2021. Two articles with known issues relating to this securit… Read the rest “April 2021 Exchange Security Updates”
The below is an interesting result after installing Exchange. The act of installing Exchange will change how TCP/IP operates on the server with respect to ephemeral connections.
This may manifest itself in a few ways.
For example:
The saying goes that nothing monitors AD better than Exchange. While the symptom is an Exchange issue, the underlying root cause is typically something else. Though as an added "feature" Exchange can also monitor additional elements of your infrastructure and indicate they are also unhealthy...
This is one of those such cases, where an Exchange CU was not installing. In the screenshot below, yo… Read the rest “Exchange Setup Fails – Error 3221685616”
Exchange 2010 SP1 introduced the concept of block mode or granular replication. This minimised the time taken for transactions on the active node to be replicated to passive nodes. Since the feature is enabled by default and is self-managing, there is a good chance that you are benefiting from it without being fully aware of it.
See also understanding High Availability and Site Resilience
This is a post to capture the stages of change in Active Directory when the first Exchange server is installed, and opposingly when the last Exchange server is uninstalled. We will not get into any specific details about the individual changes made to AD, rather this is a 20,000 foot view.
A brand new lab was created using Windows Server 2016 for the DCs and Exchange servers.… Read the rest “Stages of AD Changes When Installing and Uninstalling Exchange”
Exchange 2019 CU9 has been released to the Microsoft Volume Licensing Center! Exchange 2019 has a different servicing strategy than Exchange 2007/2010 and utilises Cumulative Updates (CUs) rather than the Rollup Updates (RU/UR) which were used previously. CUs are a complete installation of Exchange 2019 and can be used to install a fresh server or to update a previously installed one. Exchange… Read the rest “Exchange 2019 CU9 Released”
Exchange 2016 CU20 has been released to the Microsoft download centre! Exchange 2016 has a different servicing strategy than Exchange 2007/2010 and utilises Cumulative Updates (CUs) rather than the Rollup Updates (RU/UR) which were used previously. CUs are a complete installation of Exchange 2016 and can be used to install a fresh server or to update a previously installed one. Exchange 2013 h… Read the rest “Exchange 2016 CU20 Released”