AWS reserved instances limit exceeded Problem Cause and Solution

This alert usually occurs when you choose the “no prepayment” reserved instance program. The reason for this is that you don’t have enough credit, in other words, your monthly expenses are too low.

In this case, it’s best to choose a partial or full prepayment plan, so you can pass. Moreover, the partial prepayment and full prepayment programs will be more cost-effective. You can save a lot of money if you buy for a long number of years.