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[TSHOOT] – Exchange 2013 : Get-ServerHealth “Unknown”, Components “Inactive”

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We wanted to test the new release Exchange Server 2016 Preview. Unfortunately it is not possible to install it on an existing server with an older version of Exchange! So, I broke everything and our server could not send emails, even internally!

After some hours minutes of searching, I was able to diagnose two things, thanks to these commands:

1. Server health status is “Unknown”


2. Server Components state are “Inactive”


To resolve this issue, simply:

1. Delete a registry key

  • Run : regedit
  • Search registry key :
  • Save this key
  • Delete this key


2. “Repair” MBX and HUN transport roles

  • Extract Exchange iso
  • Open powershell command line, and run these two commands :


You should now find yourself in an operational configuration. To check him in the following 2 commands:


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