TroubleShoot Outlook Web Access Server Config
Time to Execute: 30m
1. Run “get-officewebappfarm” find that machine is a part of Office Online Server or not.
2. If not reconfigure the farm from scratch.
3. Then integrate the same with Mailbox server on organization level by running command “Set-MailboxServer MBX -WacDiscoveryEndpoint https://oos.contoso.com/hosting/discovery”
4. Run “Restart-WebAppPool MsExchangeOwaAppPool”
5. Run “Set-OrganizationConfig -WacDiscoveryEndpoint https://oos.internal.contoso.com/hosting/discovery”