Unable to connect to FortiToken Cloud after moving FortiGate or FortiAuthenticator from old account to the new account

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Description	This article describes how to validate device ownership and delete old user data under the device after moving a device to a new account
Scope
Solution	FortiToken Cloud (FTC) is a subscription-based cloud service. Upon purchasing the service subscription, a License Certificate in .pdf format is rceiveid with a license code in it. Be sure to register the FTC license under the same FortiCloud (FC) account where the FortiGate or FortiAuthenticator is registered. In case FortiGate or FortiAuthenticator has been moved from the old account to the new account (by contacting the customer service team or transferring ownership) and FTC has been enabled on FortiGate/FortiAuthenticate with the old account, it is necessay to delete auth client on the old account first.  The following is the steps: 1) Login https://ftc.fortinet.com either with the old account or the new account. 2) Validate the FAC ownership at: https://ftc.fortinet.com/dashboard/root/authclient/device 3) Confirm the device status and delete the unit.