Do I Need to Reinstall an SSL Certificate After Renewing It?

Yes. You need to reinstall the SSL certificate. An SSL certificate becomes invalid after it expires.

Renewing an SSL certificate involves purchasing a new one with the exact same configurations as the original. The configurations include the certificate authority, certificate type, domain type, domain quantity, and primary domain name. So, the renewed SSL certificate must be deployed where the original one locates.

For details, see How Do I Apply an SSL Certificate to Other Huawei Cloud Services?

To install certificates on Tomcat, Nginx, Apache, or IIS servers, you can refer to Table 1.