Microsoft Exchange and Active Directory Blog
Microsoft has released new security updates for Exchange Server 2013, 2016 and 2019. Click here to go directly to the downloads: Exchange Server 2013 CU23 Exchange Server 2016 CU22 and CU23 Exchange Server 2019 CU11 and CU12 The update fixes a vulnerability (CVE-2022-21978) which is classified as "Important". The update should therefore be installed promptly. Details about the vulnerability can be found here: CVE-2022-21978 The ... Read more
A reader of this page asked whether it is possible for certain users to create and manage contacts for the organization. A separate RBAC (Role Based Access Control) role can be used for this with little effort. A corresponding role, which can only create and edit contacts in a specific organizational unit, can be created with little effort. ... Read more
Exchange Emergency Mitigation (EM) is, as already mentioned in this article, available from CU 11 for Exchange 2019 and CU 22 for Exchange 2016. The way it works is as simple as it is effective: The Exchange servers check every hour whether there is a new set of rules for mitigating a vulnerability. For this purpose, a signed XML document is sent every hour from ... 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
Somehow it doesn't seem like that long ago, but the end of mainstream support for Exchange 2016 is actually approaching. From October 14, 2020, Exchange 2016 will be in the Extended Support phase, which means that there will be no more CUs and only critical security updates and updates for the time zones will be available ... Read more
I have already written about this problem here: OWA and ECP deliver: server error in the application. However, the problem that OWA and ECP are no longer accessible after an update seems to occur quite frequently. At least I receive mails on this topic from time to time after the release of CUs. A reader has now kindly ... Read more
There is currently another error in Exchange 2016 that also occurred in Exchange 2010. If you run Outlook in cached mode, as Microsoft recommends, and want to move a folder to a subfolder in which a folder with the same name already exists, it is renamed, e.g. from test folder to test folder(2). This ... Read more
In this article, I already described how the Sophos UTM certificate can be exported via REST API. A few people have now reported that an automatic export and import for Exchange Server is interesting. I have therefore extended the script and successfully tested the export and import with Exchange Server 2016. ... Read more
In part 3 of this article series, I described the configuration of the ELK components. If someone has already built the environment up to this point, there should already be some data records from the Exchange Message Tracking Logs in the Elasticsearch instance. Introduction This article is about the creation of a simple Kibana dashboard, which provides initial data ... Read more
The updates for Windows Server which were released on February 19, 2019 after the regular patchday are also important for Exchange Server running on Windows Server 2016. Specifically, it is about a problem that has existed since September 2018: KB4457127 causes problems on DCs in connection with Exchange KB4457127 causes problems after installation ... Read more
