<p>List all permissions on a private CA, if any, granted to the Certificate Manager (ACM) service principal (acm.amazonaws.com). </p> <p>These permissions allow ACM to issue and renew ACM certificates that reside in the same Amazon Web Services account as the CA. </p> <p>Permissions can be granted with the <a href="https://docs.aws.amazon.com/privateca/latest/APIReference/API_CreatePermission.html">CreatePermission</a> action and revoked with the <a href="https://docs.aws.amazon.com/privateca/latest/APIReference/API_DeletePermission.html">DeletePermission</a> action.</p> <p class="title"> <b>About Permissions</b> </p> <ul> <li> <p>If the private CA and the certificates it issues reside in the same account, you can use <code>CreatePermission</code> to grant permissions for ACM to carry out automatic certificate renewals.</p> </li> <li> <p>For automatic certificate renewal to succeed, the ACM service principal needs permissions to create, retrieve, and list certificates.</p> </li> <li> <p>If the private CA and the ACM certificates reside in different accounts, then permissions cannot be used to enable automatic renewals. Instead, the ACM certificate owner must set up a resource-based policy to enable cross-account issuance and renewals. For more information, see <a href="https://docs.aws.amazon.com/privateca/latest/userguide/pca-rbp.html">Using a Resource Based Policy with Amazon Web Services Private CA</a>.</p> </li> </ul>

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