Can't select Availability Zone

Question

I can't select the Availability Zone while launching a new instance in EC2-Classic, the dropdown menu is stuck at "Loading...".  
I tried in other web browsers but it does not work.

Answer

It works again! It seems that it was fixed.

Answer

Hi,   
  
Regarding your query, With EC2-Classic, your instances run in a single, flat network that you share with other customers. Having said this, since this is a single network its not divided and hence there are no AZ's available to select while launching instances via the launch wizard.  
  
	https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-classic-platform.html  
  
I hope this helps.

Answer

Did that change this month? I could do it two weeks ago.  
  
I am updating and migrating legacy systems step by step, but I still have production services in EC2-Classic mode.

Can't select Availability Zone

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