You try to launch an instance in EC2, but you receive an "InsufficientInstanceCapacity: Insufficient capacity" error message and are unable to successfully launch a server.
The reason you receive this error is because the availability zone (into which you are attempting to launch an instance) is out of capacity. For example, if you attempt to launch an 'm1.xlarge' instance in the 'us-east-1a' availability zone, but there are no more 'm1.xlarge' instances available for provisioning, you will receive an "insufficient capacity" error message.
It's important to note that availability zones are not common across all accounts. i.e. The 'us-east-1a' availability zone for my account may be a different actual zone than the 'us-east-1a' availability zone for your account.
When you receive this type of error, you have several different options:
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