Exchange 2013: Exchange Management Shell does not connect (access denied)

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So sometimes it's like jinxed, the day before yesterday the Exchange 2010 Management Shell didn't want to connect, today the Exchange 2013 Shell doesn't want to anymore... The following error message appears at startup: New-PSSession : [fwex1.frankysweb.local] The following error occurred when connecting to the remote server "fwex1.frankysweb.local": Access denied Further information can be found in the help topic "about_Remote_Troubleshooting". In line:1 ... Read more

Exchange 2013: Secure the Exchange Server with EMET

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The free Microsoft tool EMET can be used to protect Windows installations against many attacks. It can also be installed on Exchange servers. I have not noticed any problems in my tests so far, but detailed tests are essential. Here is a short howto. EMET can be downloaded here: https://www.microsoft.com/en-us/download/details.aspx?id=46366 The installation basically consists of clicking "Next" ... Read more

Exchange 2010: Management Shell does not connect

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Something new every now and then, today the Exchange Management Shell under Exchange 2010 gave me this error: Warning: Export modules for the current session cannot be generated using Import-PSSession. The red error message also contained a path, but I blacked it out. The solution to the problem is to delete the ... Read more

Exchange 2016: Optimization on VMware ESXi 5.5 / 6.0

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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

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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 2010 and Outlook 2016 - Autodiscover

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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

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

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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

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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