Microsoft Exchange and Active Directory Blog
I wish all visitors, readers, supporters and friends a happy and healthy new year, may all your good intentions and wishes come true in the new year. As every year, I would like to take this opportunity to look back on the past year. Visitor numbers have risen again slightly in 2021. Just under 2.5 million visitors are ... Read more
I wish all friends, readers and supporters a Merry Christmas, take care of yourselves and stay healthy. I wish all admins who are looking after the well-being of the systems during or between the holidays every success. Take a few days off as soon as possible and treat yourselves to something nice. As in every ... Read more
Microsoft has released new security updates for all supported Exchange Servers (2013, 2016, 2019). In particular, Microsoft mentions the vulnerability CVE-2021-42321 (Remote Code Execution) in Exchange 2016 and 2019, which is already being exploited in a limited number of targeted attacks. The number of attacks is likely to increase as the update may now make the vulnerability easier to detect. ... Read more
This year's Micrsooft Ignite will once again be held as an online conference. As last year, participation in Ignite is free of charge. Registration is sufficient to either follow the sessions live online or to watch the recordings of the sessions later: Microsoft Ignite 2021 Ignite will take place from 02.11. to 04.11.2021. ... Read more
I have just completed the CVE-Reporter and made the first public version available for download. I've been using the CVE-Reporter for a while now so that I receive an e-mail when new vulnerabilities or security holes are discovered and can therefore react quickly to possible security holes. Until now, I had not made the CVE-Reporter publicly available, because so far ... Read more
The relatively young company grammm wants to offer an alternative to Exchange Server with its product of the same name. The idea itself is not new, as there have long been a number of projects (such as Open-X-Change, Kopano or Zimbra) that position themselves as an alternative to Exchange Server. grammm (groupware and much much more), however, is the first to offer Open ... Read more
After the update is before the update. Today, Microsoft released the Cumulative Updates for Exchange Server 2016 and 2019. Both CUs contain the previous security updates from 02.03.21. CU 20 is the penultimate CU for Exchange Server 2016, after which only security updates will be released. For Exchange 2016, the last ... Read more
Microsoft provides the tool "Exchange On-premises Mitigation Tool (EOMT) to secure unpatched Exchange servers for download: https://github.com/microsoft/CSS-Exchange/tree/main/Security EOMT first secures the Exchange server against the vulnerability CVE-2021-26855 using URL rewrite and then downloads the Microsoft Safty Scanner to check the server for a successful attack. However, EOMT does not install the available updates ... Read more
Many people have already noticed and reported that the newsletter no longer works. It wasn't actually a newsletter, but rather a notification of new posts. Unfortunately, the WordPress plugin I had been using no longer worked reliably and sending the emails also caused problems. Many ... Read more
The Microsoft Ignite digital event starts again tomorrow. As last year, participation is free of charge: https://myignite.microsoft.com/home So if you want to register quickly, you can do so via the link. However, the sessions at the last Ignite were also recorded and posted online on YouTube, for example. So the sessions can also be ... Read more
