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Troubleshooting AWS ACM Certificate Status Failed Error



Introduction:

Amazon Web Services (AWS) provides the Amazon Certificate Manager (ACM) service for managing SSL/TLS certificates for your websites and applications. However, sometimes you may encounter issues where the certificate status shows as "Failed". One common reason for this failure is related to Certificate Authority Authorization (CAA) records. In this blog post, we will discuss how to troubleshoot the AWS ACM certificate status failed error and resolve it by adjusting the CAA records.


Understanding the Issue:

When an ACM certificate status shows as "Failed", it indicates that the certificate request failed validation checks. One of the potential causes for this failure is related to CAA records. CAA records are DNS resource records that specify which certificate authorities (CAs) are authorized to issue certificates for a domain. If your domain's CAA records restrict certificate issuance to specific CAs, and AWS ACM is not listed as an authorized CA, the certificate request may fail.

Resolving the Issue:

To resolve the AWS ACM certificate status failed error related to CAA records, follow these steps:


Identify the Domain's CAA Records:

Start by identifying the CAA records for your domain. You can use various DNS lookup tools or domain registrar control panels to view the existing CAA records associated with your domain.


Update the CAA Records to Include AWS ACM:

If your domain's CAA records do not include AWS ACM as an authorized certificate authority, you need to update them accordingly. Add a new CAA record or modify the existing ones to authorize ACM as a valid CA for issuing certificates for your domain.


Example CAA Record:


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example.com. CAA 0 issue "amazon.com"

This CAA record allows certificate issuance by CAs associated with amazon.com, which includes AWS ACM.


Verify Changes and Wait for DNS Propagation:

After updating the CAA records, verify the changes to ensure that the records are correctly configured to authorize AWS ACM. It may take some time for the DNS changes to propagate across the internet, so be patient and allow for sufficient propagation time.


Request a New Certificate:

Once the CAA records are updated and propagated, you can request a new SSL/TLS certificate using AWS ACM. Follow the usual process for requesting a certificate and ensure that the validation checks pass successfully.


Monitor Certificate Status:

After requesting the new certificate, monitor its status in the AWS Management Console. If the certificate status remains "Failed", double-check the CAA records to ensure they are correctly configured and authorized AWS ACM.


Conclusion:

Troubleshooting the AWS ACM certificate status failed error requires identifying and resolving issues related to certificate validation checks. By adjusting the CAA records to include AWS ACM as an authorized certificate authority, you can ensure successful certificate issuance and secure your websites and applications with SSL/TLS encryption. Remember to regularly review and update your domain's CAA records to maintain compliance and security best practices.







 

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