Office Online Server - Januarary 2021 Update KB4493160

martin elmes 1 Reputation point

After installing KB4493160 on Windows 2016 I cannot add the server back to the farm.

New-OfficeWebAppsFarm : The operation failed. The server did not meet the following prerequisites:

  • The "Ink and Handwriting Services" Windows Server Feature must be installed and enabled.
    At line:11 char:1

This patch cannot be uninstalled.

OOS 2016 Nov 2018 build 16.0.10338.20039
Was working fine before patching.

Uninstalled OOS and reinstalled from ISO and still get the same error.

Any ideas?

Microsoft Office Online Server
Microsoft Office Online Server
Microsoft on-premises server product that runs Office Online. Previously known as Office Web Apps Server.
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  1. Trevor Seward 11,691 Reputation points

    Did you install the Ink and Handwriting services feature from Server Manager?

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  2. martin elmes 1 Reputation point

    That is not possible Ink and Handwriting is built into server 2016 and not an installable feature,
    This was also problem with OOS prior to the November 2018 build.

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  3. martin elmes 1 Reputation point

    I installed on a new server and did not apply KB4493160, the issue is the same 'The "Ink and Handwriting Services" Windows Server Feature must be installed and enabled.'
    So something has changed on our server baseline since I last updated Office Online.

    Windows Server Datacenter
    Version: 1607 Build:14393.3986

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  4. Emi Zhang-MSFT 22,161 Reputation points Microsoft Vendor

    Hi @martin elmes ,
    Please refer to this similar thread and run the script of Karthik Jaganathan and confirm if this will help you:

    If the response is helpful, please click "Accept Answer" and upvote it.
    Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

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