To renew the SSL certificate on a vCenter Server Appliance (VCSA) 7 with High Availability (HA), you will need to renew the certificate on both the Active and Passive nodes.
steps to renew the SSL certificate on both the Active and Passive nodes of a VCSA 7 HA deployment:
1. Log in to the vSphere Client and navigate to the vCenter Server Appliance.
2. Click on the "Configure" tab and select "Certificate Management."
3. Click on the "Replace SSL Certificate" option.
4. Follow the wizard to generate a new Certificate Signing Request (CSR). You will need to provide information such as the organization name, common name, and email address.
5. Submit the CSR to a Certificate Authority (CA) to obtain a new SSL certificate.
6. Once you have obtained the new SSL certificate, click on the "Import" button and browse to the certificate file.
7.Click "Replace certificate" and follow the wizard to complete the certificate installation.
8. After the certificate has been updated on the Active node, log in to the Passive node and repeat steps 1-7
Please not the cluster will only sync when the cert on both nodes are up to date