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This topic contains 6 replies, has 3 voices, and was last updated by  Michael Pietroforte 3 weeks, 5 days ago.

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  • #230027
     Karim Buzdar 
    Moderator
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    Hi all,

    I want to install latest update of Exchange Server 2016 CU 6 on Windows Server 2016 but I failed before to install Exchange Server CU 4 on this computer. I want to remove the CU 4 but it failed, too.

    I have tried the following so far.

    -Tried removing from Control Panel

    -Tried removing using PowerShell

    setup.exe /m:uninstall /Iacceptexchangeserverlicensterms

    Please help.

    Thank you,
    Karim

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  • #230050
     Paolo Maffezzoli 
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    Hi Karim,

    do you get an error message when the removal fails from the Control Panel ?

    Regards,
    Paolo

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    • #230052
       Karim Buzdar 
      Moderator
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      Hi Paolo,

      The wizard runs and disappear immediately.

      Thank you

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      • #232708
         Michael Pietroforte 
        Keymaster
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        I guess the system is messed up. You can only try to manually remove the remnants of the failed installation. Search the file system and the registry and remove all Exchange-related folders. Of course, this is procedure is very cumbersome. It is probably easier to start with a fresh Windows Server 2016 installation.

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        • #232847
           Karim Buzdar 
          Moderator
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          Hi Michael,

          Yes, I went for fresh Windows Server 2016 installation.

          Thank you

          0
  • #238319
     Karim Buzdar 
    Moderator
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    Michael,

    Your solution of fresh windows installation worked,

    Cheers

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    • #238328
       Michael Pietroforte 
      Keymaster
      • Topics: 136
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      Yes, always better to start with a fresh install even if it is a test environment. If you later run into problems, you can be sure that not some old configurations are the culprit.

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