Microsoft Exchange and Active Directory Blog
Three detailed articles on Exchange Server and TLS 1.2 have been published on the Exchange Team Blog. The articles are not only very worth reading, but also have an important background: From October 2018, Office 365 will require TLS 1.2 and will not accept mails from servers that only support TLS 1.0 or TLS 1.1. In plain language ... Read more
This is the fourth part of the series "Exchange 2016 Hybrid Mode with Office 365". In this part, Exchange Hybrid Mode is activated and initial tests are carried out. Here are the links to the previous articles: Exchange 2016: Hybrid Mode with Office 365 (Part 1) Exchange 2016: Hybrid Mode with Office 365 (Part 2) Exchange 2016: ... Read more
I was once again led astray. I had installed an update for Exchange when a short time later the Outlook app for iOS and Android stopped working. The app was no longer synchronizing data and there were no error messages. As I had carried out an update shortly before, I suspected this at first. ... Read more
Critical updates for Exchange Server: There is a vulnerability in all supported Exchange Server versions that allows attackers to execute code on the Exchange Server using specially crafted mail. Microsoft describes the problem here: CVE-2018-8154 | Microsoft Exchange Memory Corruption Vulnerability A remote code execution vulnerability exists in Microsoft Exchange software when the software fails ... Read more
It's that time again, the next meeting of the EUGO (Exchange User Group OWL) will take place on 22.06.18. Once again, all interested parties are cordially invited to the meeting. Here are the dates: Friday, June 22, 2018 7:30 pm Allegro Habichtshöhe in Bielefeld Bodelschwinghstr. 79 33604 Bielefeld Link: Google Maps Link: Website Allegro Habichtshöhe About our website ... Read more
This is the third part of the series "Exchange 2016 Hybrid Mode with Office 365". This part deals with the synchronization of local user accounts to Office 365 or Azure Active Directory. Here are the links to the previous articles: Exchange 2016: Hybrid mode with Office 365 (Part 1) Exchange 2016: Hybrid mode with Office ... Read more
Microsoft has released the first preview of Office 2019 and therefore also Outlook 2019. The preview is public and can be downloaded with an Office 365 account, for example. To test the preview, you can first register for the Collaborate Program here: https://developer.microsoft.com/en-us/dashboard/collaborate/ The Office 2019 preview can then be downloaded under the "Engagements" ... Read more
Part 1 of this article series only dealt with the test environment for an Exchange 2016 / Office 365 hybrid scenario. This part now deals with the preparation of Office 365 and the frankysweb.org domain. What is hybrid mode I still need to explain a little about hybrid mode: What is hybrid mode anyway? Read more
As a side note, new limits will be introduced in Exchange Online and therefore also in Office 365 from 01.06.2018. Specifically, these are new limits for authenticated SMTP connections (SMTP Authenticated submission): Sent mails will be saved in the "Sent items" folder of the mailbox Only three simultaneous connections per mailbox are now permitted Depending on the configuration ... Read more
I have now received a lot of inquiries about Exchange and hybrid mode with Office 365. I have therefore decided to focus more on the topic of Office 365 in conjunction with local Exchange servers in the future. Here is the first article on Exchange 2016 in conjunction with Office 365 and hybrid mode. In ... Read more
