Microsoft Exchange and Active Directory Blog
Microsoft has released a security update for Exchange Server 2019 and Exchange 2016 to close a vulnerability classified as "critical". Specifically, it concerns the vulnerability CVE-2020-16875: A remote code execution vulnerability exists in Microsoft Exchange server due to improper validation of cmdlet arguments. An attacker who successfully exploited the vulnerability could run arbitrary code ... Read more
Once an Exchange 2019 server has been configured, an SSL certificate needs to be installed. To configure the certificate correctly, the hostnames that are relevant for the certificate must be determined. The following script reads the hostnames from the configured URLs of the virtual directories and displays the corresponding hostnames in the Exchange Management Shell ... Read more
During an Exchange migration, the "old" Exchange server may not be able to deliver mails to the new Exchange server. This happened during an Exchange 2013 to Exchange 2019 migration. Mails on the Exchange 2013 server to mailboxes that had already been migrated to Exchange 2019 could not be delivered. The ... Read more
I have received a request from a customer that he would like to have his meeting rooms sorted or displayed by location. How can I implement this requirement? I implemented it with address lists and a custom attribute. The first step is to create the address lists by location, as shown here in the example Bielefeld, Düsseldorf, Frankfurt, Hamburg, Munich and ... Read more
The update for the Sophos UTM was already released on 05.08.20, but since it is not yet distributed everywhere via Up2Date, there is still a small note about the update. The last update for the UTM was released in April, if I have counted correctly, the Sophos XG has 7 updates in the relevant period ... 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 just uploaded a new version of the Exchange Reporter. Version 3.7 fixes some problems with the modules. Here is a list of the changes: vmwarereport.ps1 Adapted to newer PowerCLI version (Thanks Steffen) careport.ps1 Small bugfix when checking the PSPKI module (Thanks Steffen) dmarcreport.ps1 New features (Thanks Timbo) rblreport.ps1 Removed dead blacklist bl.emailbasura.org (Thanks ... Read more
A reader of my blog asked the following question, which I would like to answer briefly here: Hello Frank, I have a question if it can be solved with a script.(Exchange 2016)If employees have their out-of-office assistant active, ActivSync is automatically deactivated as soon as the out-of-office assistant is switched off again, ActiveSync is automatically activated. The whole thing is intended as work protection ... Read more
I haven't needed it for ages, but now I'm back in a situation where I need a POP connector for Exchange. The reason for this is a somewhat idiosyncratic configuration of my new hoster's mail server. Until the problem is solved, I have to pick up exactly one mailbox via POP3 and send it to the local ... Read more
It doesn't always have to be SCCM... I was looking for a way to automate as many of my boring tasks as possible for my own systems: Backing up or mirroring the website to the NAS, installing updates (Windows / Linux), installing test environments. Just repetitive, boring, time-consuming stuff, just made for the ... Read more
