Credentials for all providers will be saved when you create an Account for the first time. All credentials are securely stored in Vault. Update or delete credentials by clicking here:
If your most recent crawl failed, it could be related to your credentials being no longer valid. You'll need to update the credentials for the Account and re-enable AutoCrawl.
This is how an Account looks when credentials are invalid:
Click on the red key, and delete and upload new credentials. In this example, the following ARN for the AWS Account was no longer valid: