Microsoft Exchange and Active Directory Blog
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
Outside of the usual patch interval for Exchange Server, Microsoft has released a security update for all Exchange Server versions, which is intended to fix several security vulnerabilities classified as high or critical. Here is the link to the security bulletin: Microsoft Security Bulletin MS16-108 Brief description of the vulnerability: This security update resolves vulnerabilities in Microsoft Exchange Server. The most severe vulnerabilities could allow remote code execution in some of the ... Read more
In addition to Let's Encrypt, WoSign also offers free SAN certificates for Exchange servers, for example. The advantage of WoSign: The certificates are valid for up to 3 years: WoSign is a Chinese CA whose root certificate can be found in all common browsers and operating systems. Take Windows as an example: WoSign certificates are therefore trustworthy on most devices. Since I ... Read more
New updates for Exchange Server 2007, 2010, 2013 and also for Exchange Server 2016 have been released today: Exchange 2016 CU 1 Exchange 2013 CU 12 Exchange 2010 SP3 UR 13 Exchange 2007 SP3 UR 19 New UM language packs are available here: UM language packs for Exchange 2016 CU 1 UM language packs for Exchange 2013 CU 12 A list of ... Read more
Mail spoofing is often used to persuade users to open dangerous attachments in emails. The aim is to make it look as if the email is coming from a colleague or a device such as a scanner or Fax2Mail. Mail spoofing is used to falsify the sender's address so that it looks to the user as if the email is coming from an internal ... Read more
At the weekend there is a PowerShell script that can be used to test a domain for mail problems: The script returns the MX, PTR, SPF and DMARC entries of a domain and checks whether one of the IPs is on a blacklist. It also checks whether port 25 (SMTP) is accessible. The script is simply executed with ... Read more
If you also need to make frequent DNS queries to the MX records or SPF and reverse records, this little script may help: Test-MXSettings.ps1 The script has a few parameters, which can quickly check all Exchange accepted domains, or any domain, also a DNS server for the query can be specified. The following parameters ... Read more
I have just released version 2.3 of the Exchange Reporter. Here are the changes: Extension Exchange Reporter with 3rd Party Module Compatibility New (First) 3rd Party Module by Igmar Brückner Auditreport.ps1 - Information about changes to the Exchange configuration New module rightsreport.ps1 - Information about mailbox permissions Revision mbxreport.ps1 Display of inactive mailboxes Many thanks to Igmar ... Read more
A first look at the upcoming Exchange version (Exchange 2016) will be available at Microsoft Ignite. Some information about Exchange 2016 is already available on the Exchange Team Blog. The release of Exchange 2016 is planned for the second half of this year. The Ignite session on Exchange 2016 is expected to start on 07.05. ... Read more
This article describes the basic configuration of Exchange Online Protection with Exchange Server 2013. https://products.office.com/de-de/exchange/microsoft-exchange-online-protection-email-filter-and-anti-spam-protection-email-security-email-spam These instructions are also valid for Exchange 2016. Once you have an account, you will be taken to the Office 365 dashboard. The basic configuration can be carried out under "Setup": Step 1: Add domain. I use "frankysweb.com" for testing: My domain hosts ... Read more
