To add the Virtual Services for Office Online Server using the template, follow the steps below:

  1. Click the Add New button.
  2. Enter a Virtual Address.
  3. Select the Exchange 2019 Office Online Server template from the Use Template drop-down list depending on your preference.
  4. Click Add This Virtual Service.
  5. Expand SSL Properties (Acceleration Enabled).

  6. Select the certificate to use in the Available Certificates and click the “arrow” > to move it to Assigned Certificates.
  7. Click Set Certificate.
  8. Expand the Real Servers section.
  9. Click Add New.
  10. For the Real Server Address, enter the IP Address for one of the Office Online Servers.
  11. Click Add this Real Server.
  12. Add any additional Real Servers as required.