Microsoft Exchange and Active Directory Blog
An error has crept into the Exchange 2019 RTM version that can lead to certificate warnings despite valid and correct certificates. This is caused by incorrectly configured cipher suites that do not contain support for HTTP/2. This leads to warnings in some browsers when accessing OWA or ECP, for example. The problem only occurs in the Exchange ... Read more
Microsoft has released Exchange 2019, so here is a first HowTo for installation on Windows Server 2019. Exchange 2019 is the first Exchange version that can be installed on Windows Server 2019 Core. Installation on Server Core is also the recommended deployment option. Despite the recommendation, many will probably choose to install ... Read more
With Exchange Server 2016 CU11, the requirements have changed somewhat, so here is an updated HowTo for installing Exchange 2016 from CU11 on Windows Server 2016. This HowTo is not an update of an existing installation, but a new/first installation on Windows Server 2016. A HowTo for ... Read more
Microsoft has released Exchange Server 2019. Microsoft customers with a volume license contract can now download and use the new Exchange version. Source: Exchange Team Blog - Exchange Server 2019 Now Available As previously announced, Exchange 2019 is only available in the VL program, customers without Volume Licensing must continue to use Exchange 2016 or switch to Office ... Read more
A reader reported a problem after installing a Cumulative Update (CU) on an Exchange 2016 server. It was no longer possible to access OWA and ECP after the installation. Both applications only returned a server error. When calling OWA, the error message read something like this: The file or assembly "Microsoft.Exchange.Common, Version=15.0.0.0, Culture=neutral, ... Read more
Better late than never: CU 11 for Exchange Server 2016 was released today. Microsoft is a little late this time, as the updates were actually expected back in September. Due to the late release of CU11, there will be no CU in December. CU12 will therefore only be released in March 2019 together with CU1 for Exchange ... Read more
Here is a short article on the configuration of Sophos UTM Email Protection in conjunction with an internal Exchange 2013 / 2016 server. I use these settings privately, most SPAM is reliably filtered, viruses have not gotten through so far. The question about the configuration of Email Protection came from the article "Switching from POP retrieval to MX ... Read more
Important information for Exchange administrators: KB2565063 must be reinstalled on all Exchange Server versions released before October 2018. This currently affects all available Exchange versions and CUs. The background is that the installation files (new installation and update installation) of Exchange have an unpatched version installed and Exchange is therefore still vulnerable to a remote code ... Read more
I am still receiving mails about the changeover from POP3 retrieval to direct receipt of mails via MX record in connection with various Exchange versions. I actually thought that retrieving mails from a provider via POP3 and delivering them to local Exchange servers was a thing of the past, but this seems to be happening even more frequently. Read more
Microsoft has officially released Windows Server 2019. A 180-day trial version can be downloaded here: https://www.microsoft.com/en-us/evalcenter/evaluate-windows-server-2019 In addition to Office 2019, Windows Server 2019 is now also available in the Visual Studio subscription: Windows Server 2019 comes with a few interesting features, here is a short (not complete) summary: With the "Storage Migration Services", older FileServer ... Read more
