The Azure free trial expiration is common for administrator that are starting with Microsoft Azure. In this Tutorial, we are going over the simple steps to convert a free trial subcription to Pay as you Go subscription using ARM.
When the subscription is expired, we need to go to the Subscription blade, and then click on the desired subscription.
In the Subscription blade, we will have a red banner saying This free trial has expired, click on it.
A new Critical blade will be displayed, click on Convert now.
In the new page, a banner in yellow informing that the subscription is expired will be displayed, click on it.
A new wizard will be displayed, selecting the first option configure the subscription to be pay as you go which allows Microsoft to charge your current credit card information at the end of every cycle (monthly basis). Click on Upgrade now.
After that the services will be available again to the administrator, including in the billing portal (a refresh may be required).
Accessing the Usage and Billing site directly
The administrator/billing administrator can go straight to the billing portal. When logged to Microsoft Azure portal, click on My account, and the following page willb e displayed, click on the link on the right.