WAS v8.5 > Secure applications > Secure communications > Create a self-signed certificate

Replacing an existing personal certificate

Occasionally, you need to replace an existing personal certificate with a new certificate. This task discusses how to replace the existing personal certificate in the keystore. It searches all keystores for a signer certificate extracted from the original personal certificate, and places the signer of the new personal certificate in it's place. It also updates all of the certificate alias references in the security configuration with the new one.

The current certificate and the certificate replacement must exist in the same keystore before we can replace a certificate.

Alternative Method: To replace a self-signed certificate using wsadmin, use the replaceCertificate command of AdminTask. For more information, see the PersonalCertificateCommands command group for AdminTask article

Complete the following steps in the dmgr console:

1. Click Security > SSL certificate and key management > Manage endpoint security configurations > {Inbound | Outbound} > ssl_configuration > Key stores and certificates > [keystore ].

2. Under Additional Properties, click Personal certificates.

3. Select the certificate to be replaced. The alias list must include the certificate to be replaced and the certificate to replace it with.

4. Click Replace.

5. Select a replacement certificate alias from the list.
6. We can delete one of the following types of certificates:

   • Select Delete old certificate to delete the existing or expired certificate.

   • Select Delete old signers to delete the existing signer certificates.

7. Click Apply.

Results

Your results depend on what you selected:

• If you selected Delete old certificate, the new certificate alias replaces all of the references to the certificate alias in the configuration.

• If you selected Delete old signers, the new signer certificate replaces all of the occurrences of the old signer certificates.

• If the new certificate alias replaces the existing alias, the WebSphere Application Server runtime checks to verify:
  • All of the SSL Configurations objects reference the certificate
  • The Dynamic SSL Configuration Selections objects and the SSL Configuration group objects reference the certificate.

• If you selected Delete old signers, the existing signer certificates are replaced.

• If you selected Delete old certificate, the existing certificate is deleted.

Related concepts:

SSL configurations
Dynamic outbound selection of Secure Sockets Layer configurations
Keystore configurations for SSL

Reference:

PersonalCertificateCommands command group for AdminTask

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