Determine Exchange Server PatchLevel

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 Exchange Server

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

Exchange 2016: Noderunner.exe high memory consumption and CPU load

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

Critical security update for all Exchange Server versions (MS16-108)

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

Free SAN certificates with a 3-year term

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 Exchange Server updates available

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

Exchange Server: Prevent mail spoofing

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

PowerShell script for testing a mail domain

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

Script for testing MX records

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

Exchange Reporter 2.3

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