Oculus for Business customers should always create their free Workplace account using the link in the Oculus for Business welcome email.
Workplace trial accounts are not supported by Oculus for Business. If you started a Workplace free trial to use Oculus for Business, please use the link from your Oculus for Business welcome email to create a new Workplace account.
If you have any issues or have not received an Oculus for Business setup email, please contact Support.