Microsoft Exchange and Active Directory Blog
Microsoft has released new Cumulative Updates (CU) for Exchange 2016 and Exchange 2019 today: Exchange Server 2019 Cumulative Update 7 (KB4571787), VLSC Download Exchange Server 2016 Cumulative Update 18 (KB4571788), Download, The Exchange 2019 CU 7 is also already available for download via MyVisualStudio. Here is a list of the fixed issues: 4570248 "Get-CASMailbox" uses a ... Read more
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
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
Today Microsoft has released new CUs for Exchange Server 2016 and Exchange 2019. The CU 6 for Exchange 2019 can only be downloaded from the VLSC Portal, Action Pack or Visual Studio Portal. The CU 17 for Exchange 2016 is still available for regular download: Exchange Server 2019 Cumulative Update 6 VLSC ... Read more
Who isn't familiar with the evil "Reply all" function in Outlook? An important piece of information is quickly sent to the whole company, and then there's a flood of replies because the recipients use the "reply all" function: Depending on the size of the organization, such a flood of emails can generate a few million emails and thus ... Read more
As already announced here, this is the first article on the topic of Exchange Server Monitoring. This article is about the PRTG software from Paessler. PRTG has been on the market for quite a long time and I would classify it as a "classic" monitoring tool. PRTG is therefore well suited for monitoring hardware, ... Read more
