Microsoft Exchange and Active Directory Blog
A reader reported a problem after installing a Cumulative Update (CU) on an Exchange 2016 server. It was no longer possible to access OWA and ECP after the installation. Both applications only returned a server error. When calling OWA, the error message read something like this: The file or assembly "Microsoft.Exchange.Common, Version=15.0.0.0, Culture=neutral, ... Read more
Better late than never: CU 11 for Exchange Server 2016 was released today. Microsoft is a little late this time, as the updates were actually expected back in September. Due to the late release of CU11, there will be no CU in December. CU12 will therefore only be released in March 2019 together with CU1 for Exchange ... Read more
Here is a short article on the configuration of Sophos UTM Email Protection in conjunction with an internal Exchange 2013 / 2016 server. I use these settings privately, most SPAM is reliably filtered, viruses have not gotten through so far. The question about the configuration of Email Protection came from the article "Switching from POP retrieval to MX ... Read more
Important information for Exchange administrators: KB2565063 must be reinstalled on all Exchange Server versions released before October 2018. This currently affects all available Exchange versions and CUs. The background is that the installation files (new installation and update installation) of Exchange have an unpatched version installed and Exchange is therefore still vulnerable to a remote code ... Read more
I am still receiving mails about the changeover from POP3 retrieval to direct receipt of mails via MX record in connection with various Exchange versions. I actually thought that retrieving mails from a provider via POP3 and delivering them to local Exchange servers was a thing of the past, but this seems to be happening even more frequently. Read more
Microsoft has officially released Windows Server 2019. A 180-day trial version can be downloaded here: https://www.microsoft.com/en-us/evalcenter/evaluate-windows-server-2019 In addition to Office 2019, Windows Server 2019 is now also available in the Visual Studio subscription: Windows Server 2019 comes with a few interesting features, here is a short (not complete) summary: With the "Storage Migration Services", older FileServer ... Read more
Microsoft Ignite 2018 is over and the recordings of the sessions are now gradually being published. There are already a few recordings on the topic of Exchange Server, which you can now watch at your leisure: Ignite 2018 Exchange on Demand Sessions More sessions will certainly be put online bit by bit, there are ... Read more
The September update KB445127 for Windows Server 2016 from 20.09.2018 causes problems on domain controllers in connection with the Exchange GAL (Global Address List). After the update was installed on Windows Server 2016 Domain Controllers, Outlook clients can no longer access the Global Address List: I was also able to reproduce this problem as soon as more than 18 recipients ... Read more
In the last article, I published some information about Exchange 2019, and I have already received a lot of emails about this today. Many readers of the article are wondering whether at least 128 GB of RAM is really required for Exchange 2019. Here is a screenshot of the Exchange 2019 system requirements: Source: Exchange Server system requirements For the mailbox role ... Read more
Michel de Rooij summarizes the latest information on Exchange 2019 from Ignite 2018 on his blog. As was already known, Exchange 2019 is to be released this year, which is fitting as Microsoft has just released Office 2019 and therefore also Outlook 2019. It is also interesting to note that Exchange 2019 is only available in the volume licensing program ... Read more
