Microsoft Exchange and Active Directory Blog
Since yesterday evening, my site has only been available very sporadically. As of noon today, the site was almost completely offline. In most cases only the error code HTTP 500 was delivered. The entire website including all subpages was affected. Unfortunately, I was only able to address the problem now. The culprit was a WordPress plugin, which actually ... Read more
Just a little information on the side, the Exchange Server documentation has moved from Technet to Microsoft Docs. The documentation can now be found under the following link: https://docs.microsoft.com/de-de/exchange/ The old URLs are still available, so there is no immediate need to update your favorites. The documentation and information on Exchange 2010 and Exchange 2013 can still be found ... Read more
Monitoring logging can be used to log certain actions for mailboxes. This function is particularly useful for mailboxes to which several users have access. For example, it is possible to track which user has replied to a specific mail or who has deleted which mail. Audit logging can also be helpful for normal user mailboxes. ... Read more
Size limits for emails can be set in several places with Exchange Server 2016. There are size limits for mails not only for receiving and sending connectors, but also for ActiveSync, Exchange Web Services (EWS) and OWA (or Outlook on the Web). The standard limit for ActiveSync clients is 10 MB, while the limit for EWS is 64 MB. Read more
New updates have been released for all Exchange Server versions. Exchange 2010 is also included. Click here to download directly: Exchange Server 2016 CU10 Exchange Server 2013 CU21 Exchange Server 2010 Update Rollup 22 Click here for details of the changes: Exchange Server 2016 CU10 Exchange Server 2013 CU21 Exchange Server 2010 ... Read more
When migrating from Exchange 2010 / 2013 to Exchange 2016, there may be problems with Autodiscover in connection with Kerberos. The problems range from permanent queries of the login information in Outlook to a complete crash of Outlook when a mailbox is moved to an Exchange 2016 server. When can the problem occur? The problem ... Read more
In this article, I already pointed out that Office 365 will only support TLS 1.2 from October 2018. However, before switching to the current TLS 1.2 version, the clients / servers with which the local Exchange server does not yet communicate via TLS 1.2 should be identified. The following small script can be used ... Read more
Although the UTM also has a solution with the HTML5 VPN to display RDP connections in the browser, this runs as within the user portal. If you only have a public IP, you have to switch to a different port, as I did with the built-in Sophos solution. Often, however, only the common ports are available in other networks ... Read more
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
