Microsoft Exchange and Active Directory Blog
I have just installed a new Exchange 2016 CU3 in my Exchange organization. However, after the configuration, Outlook 2016 could not establish a connection, but asked for login information: The first assumption was that something was wrong with Autodiscover and I might have forgotten to configure a URL correctly. However, a quick test of the autodiscover configuration was ... Read more
Deleting an Exchange database requires more than just moving the user mailboxes to a new database. Exchange databases also contain system mailboxes that are not displayed in the EAC. When trying to delete or remove an Exchange database, the following error message appears: This mailbox database contains one or more mailboxes, ... Read more
As of today, Windows Server 2016 is also available in the MSDN subscription: Windows Server 2016 was or is already available as an eval version. However, the demo "only" runs for 180 days. Now Windows Server 2016 is also available in MSDN with corresponding product keys that are not time-limited. I have been waiting for this, now there is an update ... Read more
The DXXD ransomware apparently attacks Windows servers directly. Like other ransomware, DXXD encrypts files and appends the extension .dxxd to the encrypted file. Up to now, an attack on Windows servers has usually started from an infected client, which then encrypted files on network drives. In the Bleeping Computer forum, however, it is suspected that ... Read more
Since this month, Microsoft has also been distributing Windows updates as update rollups, similar to Exchange Server. Several updates are combined in update rollups. On the one hand, this has the advantage that not countless individual updates have to be installed, but significantly fewer. The disadvantage, however, is that certain updates can no longer be deselected or uninstalled individually. ... Read more
Microsoft introduced the Nano Server with Windows Server 2016. Nano Servers have no GUI and are even more reduced than Server Core installations. Nano servers are only managed remotely and corresponding images must first be created. It is quite simple for Hyper-V, as VHD files can be created directly here. However, it also works ... Read more
Today I once again had a Windows server that could no longer be backed up via VSS. The creation of a VSS snapshot aborted with the following error message: Volume Shadow Copy Service Error: An unexpected error occurred while calling the routine "ConvertStringSidToSid(S-1-5-21-1629892529-1905228445-1032730592-4125.bak)". hr = 0x80070539, The structure of the security identifier is invalid. . Operation: OnIdentify event Generator data is being collected Context: Execution context: ... Read more
Ignite is over and some recordings of the conference on Exchange Server and Office 365 have already been put online. Here is an overview with the corresponding Youtube links: Unplug with the Microsoft Outlook experts Dive deeper into what's new and what's coming in Outlook on the web Discover Office 365 Groups - ... Read more
I have already received the following questions about the Noderunner process or statements in one form or another by e-mail: Noderunner.exe consumes almost all the RAM and almost always has 100 % CPU load, what can I do? Here's something more desperate: From day one, the noderunner has been eating up resources we ... Read more
This howto describes the installation of Exchange 2016 on Windows Server 2016. Note: This article is a bit older. There is an updated version here: Create Active Directory account Windows Server 2016 relies on a stricter user separation. It is therefore not advisable to install the Exchange Server with the "Administrator" user, but to create an ... Read more
