Users who have created an Amazon account recently may face a problem of not being able to launch P3 instances. This is due to a limit enforced by Amazon for new users. You will see a message as below.
To get over the problem log a request at the following URL:
Record request as “Service Limit Increase”, Limit Type as “EC2 Instances” and choose appropriate Region and Instance Type.
Known Issue: Cannot choose any P3 instance for limit increase request
Refer to snapshot below.