Microsoft Exchange and Active Directory Blog
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
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
I have already written about DKIM in conjunction with Sophos UTM here. Here is an article about Exchange and DKIM. Mails can receive a DKIM signature directly on the Exchange server, so an additional AntiSPAM solution that adds the DKIM signature is not necessary. To add DKIM signatures directly on the Exchange ... 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
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
Microsoft has released new CUs for Exchange Server 2019 and Exchange Server 2016 today. The CU 5 for Exchange 2019 fixes problems with the search in Outlook when Outlook is operated without cache mode, so the update has probably already been eagerly awaited by some. The CU5 for Exchange 2019 is available as usual ... Read more
Microsoft released a new security update for Exchange Server 2016 and 2019 yesterday. The update closes a vulnerability classified as "Important". Description of the vulnerability: A cross-site scripting (XSS) vulnerability exists when Microsoft Exchange Server does not properly sanitize a specially crafted web request to an affected Exchange server. An authenticated attacker could exploit the vulnerability by ... Read more
