Error in creating AWS instance when I select subnet and vpc in different zones

Question

I am unable to create an Instancce in Mumbai region , with VPC in Mumbai zone and Subnet in Kolkotta (ap-south-1-ccu-1a)  and throws error
"Instance launch failed
The requested configuration is currently not supported. Please check the documentation for supported configurations."

Accepted Answer

The instance type you are trying to launch may not be available in "ap-south-1-ccu-1a".  
You can search by way of the following documents.  
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-discovery.html  
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/troubleshooting-launch.html#troubleshooting-instance-configuration

Since the location you are trying to activate seems to be in the local zone, it would be a good idea to check the following documentation.  
https://aws.amazon.com/about-aws/global-infrastructure/localzones/features/?nc1=h_ls

Answer

Thank you for the links . I was trying to create a wrong instance (t3.micro). 
ap-south-1-del/ccu-1a .. does not suppourt t3.micro

Error in creating AWS instance when I select subnet and vpc in different zones

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