Items related to messaging services with a focus on Exchange Online (EXO) and Exchange server (on-premises)
At this point we are now one year away from the end of Threat Management Gateway (TMG) 2010 support. Many of Exchange administrators and architects will need to look at alternative solutions for publishing and securing Exchange, though this should have previously instigated.
TMG 2010 will exit out of extended support on the 14th of April 2020. Please plan accordingly.
Today is patch Tuesday for April 2019 and contains a security advisory bulletin for Exchange 2010. Due to the way that Exchange 2010 is serviced, security updates are released as a new update rollup (RU). Separate updates were also released for Exchange 2013, Exchange 2016 and Exchange 2019.
This is build 14.03.0452.000 of Exchange 2010, and KB 4491413 has the full details for the release. The upd… Read the rest “Exchange 2010 SP3 RU27 Released”
After installing Exchange 2013 CU22, you might notice that there is a cosmetic issue with how the update is listed in Add/Remove programs. In the screenshot below, note that Exchange 2013 Cumulative Update 20 is listed, but the version number is not the CU20 version number.
For reference the versions of the relevant CUs are shown below. Note that the above screenshot shows the CU22 version, but th… Read the rest “Exchange 2013 CU22 Shows Incorrect Name In Add/Remove Programs”
When looking at the details of objects in Exchange Management Shell, it is often useful to know when an object was created or modified. In a recent Office 365 engagement, the customer was convinced that one of the other administrators had made an unauthorised change to their environment as there was an apparent recent change to the Exchange Hybrid Object.
The details of the this object can be view… Read the rest “Incorrect or Misleading Exchange Attribute Date”
Many enterprises are moving forward with their digital transformation plans, and as part of this and server updates Domain Controllers are being updated to newer versions. The Windows Server 2008 and Windows Server 2008 R2 end of support in January 2020 is also a business driver.
DC upgrades can happen independently of the Exchange team. In many cases the Exchange admins are not notified of the p… Read the rest “Exchange Not Using New Domain Controller”
Exchange 2019 CU1 was recently released as part of the February 2019 patch Tuesday updates. This was originally discussed here on the blog. Exchange 2019 is intended for large enterprise customers, and as such is distributed through the Volume License Centre.
Exchange 2019 CU1 is now available for evaluation on the Visual Studio download centre.
In my Visual Studio this is file:
mu_exchange_server_2… Read the rest “Exchange 2019 CU1 Now On Visual Studio Downloads”
One of the edge features in Exchange is the Cmdlet Extension Agent. You can find some documentation online for this component along with some previous blog posts on this site.
What can sometimes take people by surprise is that Exchange setup checks to see if the Cmdlet Extension Agent is enabled during setup. If it is enabled and the necessary configuration XML file is not present on the server b… Read the rest “Cmdlet Extension Agent Blocks New Exchange Server Install”
Installing Exchange 2010 onto Windows Server 2012 R2 is a request that frequently heard on the TechNet Exchange forums. You may have seen posts from me in the past saying that this was not supported, and at the time that was the correct statement. There has been a change though! Exchange 2010 SP3 RU26 added support for installing Exchange 2010 onto Windows Server 2012 R2.
This post will step throu… Read the rest “Installing Exchange 2010 on Windows Server 2012 R2”
Exchange 2019 CU1 has been released to the Microsoft download centre! 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 2013 an… Read the rest “Exchange 2019 CU1 Released”
Exchange 2016 CU12 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 CU12 Released”