A first look at Project Honolulu

Microsoft has released a new Technical Preview of Project Honolulu (version 1711). Project Honolulu is a web console for the management of Windows servers. In other words, a kind of "Server Manager" in the browser. Although it is still a technical preview that is not yet ready for productive use, it is possible to use it ... Read more

Exchange 2016: TransportRoles\data\Temp\UnifiedContent directory clutters up the hard disk

An interesting problem was pointed out to me today. A reader reported the directory "TransportRoles\data\Temp\UnifiedContent" within the Exchange installation directory, which contains a lot of data and keeps filling up the hard disk. I then had a look at my private installation and was also able to find some very old data in the directory in question. Here is a screenshot ... Read more

Sophos UTM: New update (9.506-2)

Sophos released a new update for the Sophos UTM on 21.11.2017 which fixes numerous problems. For me, the update is not yet offered via Up2Date. Here is a list of the fixed problems: NUTM-8651: [AWS] AWS Permission for "Import Via Amazon Credentials" NUTM-7678: [Access & Identity] Pluto dies with coredump at L2TP connections NUTM-8211: [Access ... Read more

Exchange 2016: Possible causes for requesting login information

From time to time I receive emails or inquiries about environments in which Outlook frequently or even permanently asks for login information. Some users and administrators even seem to have come to believe that Outlook's constant requests for user names and passwords are normal. The good news is that the permanent request for user and ... Read more

Microsoft Tech Summit Frankfurt

Unfortunately, the Microsoft Technical Summit, as it took place last year in Darmstadt, no longer exists. Instead, there will be the Microsoft Tech Summit in Frankfurt at the beginning of 2018: The Microsoft Tech Summit is a 2-day event and participation is free of charge. However, the Tech Summit cannot be compared with the Technical Summit. The Tech ... Read more

Exchange 2016: Server Component States

The concept of "Server Component States" was introduced with Exchange 2013. The Server Component States provide detailed control over the status of the components that make up an Exchange Server. With Exchange 2016, there is only one installable role (mailbox, edge transport not included). However, the mailbox role consists of various components. ... Read more

Windows 10 creates _VLMCS entries in the DNS

I am not entirely sure whether the following problem also occurs in environments in which standard Windows DNS servers are used. Companies that do not run their DNS infrastructure on Microsoft DNS servers might be interested in the following article. The following behavior of Windows 10 computers could be reproduced on a "non Windows DNS" server: ... Read more

Quick & Dirty: Convert IMCEAEX strings to X500

I have already described the problem in another article: Users receive an undeliverability report (NDR) when trying to send to mailboxes or distribution lists. The field code in the NDR is "550 5.1.1 RESOLVER.ADR.ExRecipNotFound; not found'. Here is an example of such an NDR: The problem occurs, for example, when a distribution list is migrated to a shared mailbox ... Read more

Exchange Management Shell does not start (PowerShell vDir)

In the previous article, I had already shown how to create new virtual directories for OWA, for example. However, the Exchange Management Shell was always used to recreate them. But what happens if the Exchange Management Shell no longer starts? If the virtual directories have to be recreated and the Exchange Management Shell no longer starts, what ... Read more