Microsoft Exchange and Active Directory Blog
New updates have just been released for all supported Exchange Server versions, which also fix the critical vulnerability from CVE-2018-8581. The updates should therefore be installed as soon as possible, as an exploit for this vulnerability has existed for some time. Click here to download the updates for Exchange 2010, 2013 and 2016: Cumulative Update 12 ... Read more
It can happen that the paths or the storage location of Exchange databases and log files have to be changed, for example when changing the storage system. This article is in response to a reader's question about how to do this with as little downtime as possible. There are several options for moving the database and log file paths, ... Read more
There is currently a security vulnerability in all Exchange Server versions, which makes it possible to obtain domain administrator authorizations via EWS or, for example, to redirect emails. What makes this vulnerability particularly critical is that it can be exploited remotely. The attacker only needs to have access to a mailbox on the Exchange Server. Since the EWS API and often also ... Read more
Just a little reminder: Support for Exchange Server 2010 ends on 14.01.2020. Exchange 2010 has been in the Extended Support phase for some time, so it only receives security updates. From January 14, 2020, there will no longer be any technical support from Microsoft. This means that support requests can no longer be opened and ... 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
The September update KB445127 for Windows Server 2016 from 20.09.2018 causes problems on domain controllers in connection with the Exchange GAL (Global Address List). After the update was installed on Windows Server 2016 Domain Controllers, Outlook clients can no longer access the Global Address List: I was also able to reproduce this problem as soon as more than 18 recipients ... Read more
A reader of my site asked me if there is a way to receive an overview of a calendar by e-mail. The background was that a vacation calendar was maintained within the department, which was an Exchange resource mailbox in which each team member entered their vacation. The requirement was now an overview of this calendar for ... Read more
Microsoft has released Update Rollup 23 for Exchange Server 2010. This is a security update which should be installed promptly. Click here to download the UR 13 for Exchange 2010: Update Rollup 23 for Exchange Server 2010, Service Pack 3 (KB4340733) Here you can find more information about the update: CVE-2018-8302 | Microsoft Exchange ... Read more
There are currently problems with Exchange Server and the July updates for Windows Server. Microsoft has now withdrawn the faulty update and provided an updated version via Windows Update. The current update is KB4345418, Exchange Server should be updated as soon as possible to avoid problems with the MSExchangeTransport service. Here you can find ... Read more
