Problem

When installing a certificate for a Cisco ASA 5510, you may receive the following error:

Failed to parse or verify imported certificate

Cause

This error occurs when the Root and/or Intermediate CA certificate is missing from the Trustpoint in the Cisco ASA 5510.

Solution

To resolve this problem, install the correct Root and/or Intermediate CA certificate(s) for the Trustpoint. 

Step 1: Download the Root and/or Intermediate CA certificate

Click here to download the Root certificate

Click here to download the Intermediate CA certificate

Step 2: Install the Root and/or Intermediate CA Certificate for Trustpoint

1.  Within ASDM, click Configuration > Device Management.
2.  Click Certificate Management > CA Certificates.
3.  Click Add.
4.  Click Paste certificate in PEM format and paste the certificate file in the text box.

For example

----- BEGIN CERTIFICATE -----
(Certificate)
----- END CERTIFICATE -----

5.  Click Install Certificate.

6.  Repeat the same steps to install each intermediate/root.

For more information, refer to Cisco ASA documentation.