Microsoft Exchange and Active Directory Blog
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
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
Anyone who discovers the event with the ID 40025 in the Event Viewer of an Exchange Server has no immediate cause for concern, but should take action: Source: MSExchangeIS ID: 40025 Database "Database Name" ("Database GUID") has been offline-repaired (by eseutil.exe) one or more times in the past. However, although this ensures database-level logical consistency and may permit ... Read more
New updates have been released for all Exchange Server versions. Click here to download directly: Exchange Server 2016 CU7 Exchange Server 2013 CU18 Click here for details of the changes: Exchange Server 2016 CU7 Exchange Server 2013 CU18 Article about the updates on the Exchange Team Blog: Exchange Team Blog For me personally ... Read more
Microsoft has released new security updates for Exchange 2010 to Exchange 2016. Specifically, it concerns this security vulnerability: This security update fixes a security vulnerability in Microsoft Exchange Outlook Web Access (OWA). The vulnerability could allow privilege escalation or spoofing attacks in Microsoft Exchange Server if an attacker sends an email with a specially crafted attachment to a vulnerable Exchange ... Read more
In this blog post, Thomas Shinder from Microsoft presented the new "Microsoft Security Guide". The article is quite interesting and well worth reading. I was particularly taken with the last section. It says: The Security Update Guide development API can be used to create a report in CVRF format. To use this API, click the ... Read more
Unfortunately the Exchange 2010 Shell is not reliable, if you want to find out which patch level the Exchange Server has, the Exchange Shell always returns the build 123.4: In the Exchange 2010 Shell only the last service pack for Exchange 2010 is displayed (SP3), but not the update rollup packages: A better method ... Read more
New updates for all Exchange Server versions were released today. Click here to download directly: Exchange Server 2016 CU4 Exchange Server 2013 CU15 Exchange Server 2010 SP3 UR16 Exchange Server 2007 SP3 UR 22 Click here for details of the changes: Exchange Server 2016 CU4 Exchange Server 2013 CU15 Exchange Server 2010 SP3 ... 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
