A VIP credential ID is required where VIP 2-factor authentication is protecting the login.
VIP Service
Instruction for purchasing a hard token or downloading the free VIP Access app for Apple, Android, and Windows can be found here. The VIP Credential ID is displayed when the app is launched, with the security code below it.
To add the credential ID to your account, please contact your organization's helpdesk. (see also: VIP Access token, mobile or desktop credential Q&A troubleshooting help)