Microsoft Exchange and Active Directory Blog
This series of articles is about backing up and restoring Exchange databases and mailboxes using Windows Server Backup. The test environment consists of a Windows Server 2016 with Exchange 2016 on which the Windows feature "Windows Server Backup" has been installed. The Windows Server Backup is a simple tool with which Windows Server and Exchange can be backed up and ... Read more
As promised, I'm adding the Jetstress test here to compare ReFS and NTFS. I tested once with a database and logs on one volume and 4 databases with separate log and database volumes (8 volumes). All volumes of the Windows VM were stored on the same XtremIO LUN. There were no other changes. ... Read more
Problems with the system mailboxes are often only noticed when new Exchange servers are to be installed, and the installation then usually fails. Faulty system mailboxes can also occur if a database containing the mailboxes has been deleted. Normally Exchange will not delete a database if system mailboxes are still present. In the case of a corrupt database that has been manually ... Read more
When migrating to Exchange 2016, you may come across the following problem: For smartphones or other ActiveSync devices, the domain was previously optional and was left blank, as can be seen in the following screenshot of an iPhone: If the CAS proxy function is now used for coexistence between Exchange 2010/2013 and ... Read more
Today a mailbox on Exchange 2016 greeted me with the following error message: Here is the exact wording of the message: The object "frankysweb.de/user/NoReply" has been corrupted or is not compatible with Microsoft support requirements and is in an inconsistent state. The following validation error: The AuditStorageState property could not be converted to the AuditStorageState type. Error converting the string ... Read more
I had already announced that the certificate wizard would receive an update for Let's Encrypt. The version for Exchange 2016 is now ready. The certificate wizard can fetch a certificate from Let's Encrypt with just a few entries and then renew it fully automatically. I have tested this script so far with Windows Server 2016 and Exchange Server 2016. Tests ... Read more
In a previous article, I already described how the free Let's Encrypt certificates can be requested and assigned to Exchange services using PowerShell. I am currently working on automating the entire process from requesting the Let's Encrypt certificate to automatic renewal using PowerShell. The goal is a fire-and-forget script for the Exchange certificates, let's ... Read more
Every day I receive emails from readers with questions and problems that are largely due to Autodiscover and/or incorrect certificates. This whitepaper is intended to help administrators understand and correctly configure Autodiscover, as it is an important part of Exchange Server without which the connection of Outlook and other devices would not work. The idea for ... Read more
I am currently receiving a lot of inquiries about ActiveSync and Apple devices. Apple devices do not want to establish an ActiveSync connection with Exchange using the integrated Mail app. So if you find your environment in the following description, you will run into the problem described: Apple devices with the integrated mail app (iPhone, iPad) The SSL certificate comes from StartCom / StartSSL ... 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
