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RICK-0238 asked emilyhua-msft commented

Office Activation error 0x80040154


we meet the above error message when trying to active our office 2019 with our KMS server.

  1. only some clients have the issue

  2. network is reachable and port 1688 is ok

  3. time on the client is correct

  4. window OS is ok but cant be actived either

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window OS is ok but cant be actived either

Windows needs to be activated first before we activate Office. This should be the reason why Office cannot be activated.

To better help you, I would suggest you post a new question on Q&A froum with the tag "windows-10-general", and provide the error message and erro code of Windows OS activation.
Thanks for your understanding.

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Ran slui 0x2a 0x80040154 to see if there were any details on the error code
It reported Class not registered.
You may want to try repairing or reinstalling Office

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it has been installed already.

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It is possible that it is Windows that is corrupted as well.
It sounds like a dll is not registered properly or is missing,
Run SFC /Scannow, check for errors

If there are no errors try registering all the SPP*.dll files under \Windows\System32
Example : regsvr32.exe spp.dll


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I would also suggest you check the Windows system first.

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