Microsoft Exchange and Active Directory Blog
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
Sophos has released a public beta of UTM 9.6. Here is a list of the features that have made it into version 9.6: Let's Encrypt Integration Generate and renew Let's Encrypt certificates from within UTM Generated certificates can be used in all UTM components WAF Page Customization Custom themes for all error pages that are delivered by ... Read more
I have received various questions in the comments and by email about the migration options for Exchange 2019. Judging by the messages, many people are wondering whether it will be possible to migrate from Exchange 2010 to Exchange 2019. The question is quite justified if you take a look at the version numbers: Exchange 2010: 14.0 Exchange 2013: 15.0 ... Read more
A reader of my site asked me if there is a way to receive an overview of a calendar by e-mail. The background was that a vacation calendar was maintained within the department, which was an Exchange resource mailbox in which each team member entered their vacation. The requirement was now an overview of this calendar for ... Read more
Exchange 2019 is currently only available as a Technical Preview, so I cannot publish detailed instructions on how to migrate from Exchange 2016 to Exchange 2019 at this point. Nevertheless, I was interested to know whether migration is already possible. At the moment, of course, this is only recommended for testing in test environments, as the Technical Preview ... Read more
A reader pointed out a problem where an Exchange server was no longer sending OOF mails (out-of-office messages) after a migration. Kindly, the solution to the problem was also sent along, hence this short article. I think the problem should not occur too often and the error can no longer be fully reconstructed, ... Read more
This article is a guest post by Sebastian Danisch. Many thanks to Sebastian for this article and the solution. Guest article by Sebastian Danisch A colleague of mine recently came up with the glorious idea of using Sophos UTM to modify the email header so that it removes the content ID from the header. His ... Read more
Microsoft Ignite will take place this year from September 24 - 28, 2018 in Orlando. There will again be some interesting sessions on Exchange Server. With Exchange 2019 just around the corner, there will certainly be some interesting presentations on the new Exchange version. Ignite is already fully booked, so it is no longer possible to spontaneously ... Read more
