Microsoft Exchange and Active Directory Blog
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
It's been 5 years since I wrote my first short post here. There are now 442 posts. Five years ago, I would never have thought that I would get to know so many nice people through this site. Some have even become friends that I've gotten to know personally. For me personally, ... Read more
The agenda for the Microsoft Technical Summit 2015 in Darmstadt is online: http://www.microsoft.com/germany/technical-summit/agenda.aspx There are many presentations on Windows 10 and Server 2016 and on day 2 a presentation on Exchange Server 2016. I am already registered, see you...
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
I am currently receiving a lot of emails from people complaining about problems with Outlook 2016 in conjunction with Exchange 2010. With Outlook 2016, a crucial function has apparently been removed for many people: Exchange accounts can no longer be configured manually. To be honest, I didn't think that many people had configured their Exchange accounts manually. Outlook ... Read more
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
Jetstress is excellent for testing the storage for Exchange. I used it to see how NTFS and ReFS perform in terms of speed. There is no official version of Jetstress for Exchange 2016 yet, but the Jetstress version for Exchange 2013 also works with Exchange 2016. You can download Jetstress here. Read more
The preview was first released on July 22, but today the final version is already available for download: http://www.microsoft.com/en-us/download/details.aspx?id=49161 This means that Exchange 2016 and the new standard client Outlook 2016 are now available in the final version. Exchange 2016 is 1.68 GB in size, and is therefore a little slimmer than the preview with a good 1.69 ... Read more
Today we have another small script from the Quick and Dirty series. If you use VAAI-compatible storage and provision VMs thinly, you need to perform a space reclaim from time to time to be able to use the deleted VMFS blocks again. In the VMware Knowledge Base the procedure is described using "esxcli", I find the ... Read more
Microsoft has released the Support and Recovery Assistant (SaRA) for download. SaRA is designed to help resolve problems with the connection to Office 365. SaRA asks the user about the problem and then performs a series of tests to diagnose the problem: Here is a list of the checks that are performed: https://community.office365.com/en-us/w/exchange/sara ... Read more
