Exchange 2016: Allow anonymous relay (5.7.54 Unable to Relay)

Some applications or devices require an anonymous relay to be able to send mails. However, a distinction must be made here between internal relay and external relay. The internal relay, i.e. the anonymous sending of mails to the domains accepted by Exchange, works out-of-the-box: The external relay, i.e. the sending of mails to external users without authentication, however ... Read more

Migration from Exchange 2010 to Exchange 2016 (Part 3)

Here is the third and final part of the migration from Exchange 2010 to Exchange 2016. Part 1 and Part 2 can be found here: Migration from Exchange 2010 to Exchange 2016 Part 1 Migration from Exchange 2010 to Exchange 2016 Part 2 In this part we clean up and uninstall Exchange 2010. Removing the Exchange 2010 databases ... Read more

Migration from Exchange 2010 to Exchange 2016 (Part 2)

Here is the second part of the migration from Exchange 2010 to Exchange 2016. The first part can be found here: Migration from Exchange 2010 to Exchange 2016 Part 1 In this article, the public folders and the mailboxes are migrated. The migration of the public folders can only be done with downtime, so read first, then plan :-) ... Read more

Migration from Exchange 2010 to Exchange 2016 (Part 1)

Foreword Exchange 2016 has been available in its final version since 01.10. Many people will have skipped Exchange 2013 and are currently still using Exchange 2010, for those it is time to plan the migration to Exchange 2016. Exchange 2016 will be the last version to which you can migrate directly from Exchange 2010. This ... Read more

Exchange 2016: Information on coexistence

Two articles worth reading on Exchange 2016 coexistence in conjunction with Exchange 2010 and Exchange 2013 have been published on the Exchange Team Blog. The four articles can be accessed via the following links: http://blogs.technet.com/b/exchange/archive/2015/10/26/client-connectivity-in-an-exchange-2016-coexistence-environment-with-exchange-2010.aspx http://blogs.technet.com/b/exchange/archive/2015/10/28/client-connectivity-in-an-exchange-2016-coexistence-environment-with-exchange-2013.aspx http://blogs.technet.com/b/exchange/archive/2015/10/30/client-connectivity-in-an-exchange-2016-coexistence-environment-with-mixed-exchange-versions.aspx http://blogs.technet.com/b/exchange/archive/2015/10/22/exchange-2016-coexistence-with-kerberos-authentication.aspx The articles cover the topic of coexistence in great detail. I am currently working on an article on the migration from Exchange 2010 to ... Read more

Exchange 2016: This app cannot be run on the PC

Holger encountered a strange error during the installation of Exchange 2016 on Windows Server 2012 R2. The following error message appears immediately after starting Setup.exe: This app cannot be run on your PC Please contact the software publisher to find a suitable version for your PC. Well, that would probably be Microsoft, ... Read more

Exchange 2016: Optimization on VMware ESXi 5.5 / 6.0

Many people will now be running Exchange Server as virtual machines. There are a few things to consider so that Exchange 2016 also delivers optimum performance in a VM. I would like to briefly present the most important ones here: Exchange 2016 on VMware ESXi 5.5 vCPUs: The rule for virtual CPUs is: as much as necessary, as little as possible. This is where ... Read more

Exchange 2016: Testing storage performance with Jetstress (comparison of NTFS to ReFS) Part 3

In part 1 and part 2 of this article series it became clear that the choice of file system can have an impact on performance. In the last test, I was able to improve performance with a little fine-tuning: The fine-tuning at this point related to the ESX configuration (HBA settings etc.), the ReFS and NTFS volumes have ... Read more

Exchange 2016: Testing storage performance with Jetstress (comparison of NTFS to ReFS) Part 2

In the first part of this series of articles, I had already started to analyze the difference between ReFS and NTFS in connection with Exchange 2016. However, the test environment was not yet optimized, but now it looks a little different. As a reminder: a VM on vSphere 5.5, Windows Server 2012 R2, 8 vCPUs (Xeon E5-2690v3), 32 GB ... Read more

Exchange 2016: Testing storage performance with Jetstress (comparison of NTFS to ReFS) Part 1

Jetstress eignet sich hervorragend um das Storage für Exchange zu testen. Ich habe es benutzt um mal zu schauen wie sich NTFS und ReFS in Sachen Geschwindigkeit verhalten. Noch gibt es keine offizielle Version von Jetstress für Exchange 2016. Allerdings läuft die Jetstress Version für Exchange 2013 auch mit Exchange 2016. Hier kann Jetstress runtergeladen … Read more