iOS 11 problems with Exchange 2016 ActiveSync on Server 2016

Apparently there is a problem with the Golden Master (GM) of Apple's iOS 11 with the Apple Mail App and Exchange Server 2016 on Windows Server 2016. In this case it is not possible to reply to mails or forward the mails with the Mail App. iOS 11 is not yet publicly available, it should ... Read more

New version of the Exchange Certificate Wizard for Let's Encrypt

On February 6, 2017, I published the first version of the certificate wizard for Exchange 2016 and Let's Encrypt. The certificate wizard simplifies the process of requesting, renewing and installing an SSL certificate for Exchange 2016. Now, thanks to Bjoern, there is a new version. Bjoern has taken the trouble to make some changes so that the certificate wizard also works with Exchange 2010 and ... Read more

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

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

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

New security updates for Exchange Server

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