Office Online Server for Secondary OWA in Exchange Server 2016

lam nguyen 1 Reputation point
2020-12-07T01:22:41.49+00:00

As the title said, i have 2 mailbox servers (ex2k16) with :
1> abc.com (main domain of organization, active directory)
2> xzy.com (accepted domain) - i'd also made secondary owa website and it's working fine.
Recent days, i deploy an Office Online Server system with 2 servers (F5 load balancer). It's working fine for abc.com (preview and editing). But it's not working when i browse by xzy.com domain.
when i use an email : test1@jaswant .com, test2@xyz .com => i browse on https://mail.abc.com/owa, open office files => working
when i use an email : test1@jaswant .com, test2@xyz .com => i browse on https://mail.xyz.com/owa, open office files => not working, show error as attachment.
So please help ! did i miss something ?

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. Itch Sun-MSFT 2,546 Reputation points
    2020-12-07T08:09:13.77+00:00

    Hi @lam nguyen

    Please use the powershell code below (check server healthy):

    Get-OfficeWebAppsMachine

    45637-image.png

    In addition, please check the uls log for more error information:

    C:\ProgramData\Microsoft\OfficeWebApps\Data\Logs\ULS

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