Exchange 2016: Activate existing contacts or distribution lists (Activate email)

If you want to use existing Active Directory groups or contacts with Exchange 2016, you must activate them for use via email. It is not possible to activate existing Active Directory groups and contacts via the Exchange Admin Center. However, it is easy and straightforward via the Exchange Management Shell. Here is a short HowTo: In this case there is ... Read more

Sophos UTM: New update (9.503-3)

Sophos has today released an update with the version number 9.503-3 for Sophos UTM. The update is intended to fix a total of 33 problems. Unfortunately, Sophos has not been so lucky with updates for the UTM in the past, so the last update fixed some problems, but also caused new ones. Unfortunately, this makes extensive testing ... Read more

Exchange 2016: Exporting mailboxes

The Exchange Management Shell makes it easy to export mailboxes to a PST file. This short article shows how it works. In order for mailboxes to be exported (and also imported), the user performing the export must first be assigned an RBAC role; for the Administrator user, this is done with the following command: New-ManagementRoleAssignment -Role "Mailbox Import ... Read more

Exchange 2016: Password change via OWA does not work

When trying to change the Active Directory password of a user via Outlook Web Access (OWA), the following error message may appear on an Exchange 2016 server: You are not authorized to change your password The following error message may also appear in this context when changing the password: The password you entered does not meet the minimum security requirements For this ... Read more

Exchange User Group OWL - Register now

The meeting of the Exchange User Group OWL (EUGO) will take place on Friday, August 11, 2017. If you want to join us spontaneously, you can register now: Exchange User Group OWL (EUGO) The EUGO has been around for almost a year now and we are now meeting for the fourth time in a relaxed atmosphere. ... Read more

Tip: Exchange on HP Proliant Gen9 Server

Ingo Gegenwarth has published a very interesting article regarding Exchange on HP Proliant Gen9 servers on his blog "The clueless guy". The article deals with possible performance problems when Exchange is installed directly on HP servers and the default BIOS settings are kept: Exchange performance:HP NUMA BIOS settings So for HP servers and Exchange we recommend ... Read more

Sophos UTM: HTTPProxy crashes

As Michel reported on networkguy.de, the HTTP proxy of the UTM has been crashing at irregular intervals since today. A corresponding mail lands in the inbox: Http proxy not running - restarted The problem is due to a faulty pattern update for the UTM which was rolled out by Sophos. In the meantime, a corrected pattern has been published (u2d-appctrl43-9.42). Here is the corresponding ... Read more