A Microsoft offering that enables tracking of cloud usage and expenditures for Azure and other cloud providers.
That is a little frustrating, especially when you're a global admin. However, to add a payment method to a subscription, you should be the account owner or a billing administrator. Please check the assigned administrator rules. Also, transferring a billing account to a new owner usually takes a few business days. Within these days, the new owner would have limited accessibility. If it took too long, you must create a ticket with Microsoft Billing. The following links could also help you find the answer. https://learn.microsoft.com/en-us/azure/cost-management-billing/manage/change-credit-card https://learn.microsoft.com/en-us/azure/cost-management-billing/manage/add-change-subscription-administrator#whoisaa