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I have been using my AWS account for more than 4 months. Now, I need to create a Lambda function with provisioned concurrency. However, it gives the following error: ```The maximum allowed provisioned concurrency is 0, based on the unreserved concurrency available (10) minus the minimum unreserved account concurrency (10)`` enter image description here

How can I resolve this issue?

I need help fixing this issue.

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  • Maybe other Lambdas in your account are configured with reserved concurrency so that's nothing left for the new Lambda?
    – SAE
    Commented Jul 6 at 21:39

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The default limit for lambda concurrency is 1000 per account-region across all lambdas. There can possibly be 2 reasons why this is happening:

  1. You have other lambda functions in the account that is using the concurrency
  2. Your account is new (which is not your case as it is 4 month old) or your account is not having much usage, and aws has set lower limits for both cases.

In either of the 2 scenarios, go to "Quota" service of AWS from your aws account service tab and raise a limit increase request, once the request is served, you can make the changes.

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