Hi @Nick_2024 ,
The expiration date of a public certificate and private key pair cannot be postponed. When a certificate is generated, it's issued with a specific validity period, after which it expires. This is a security measure designed to ensure that cryptographic keys are regularly updated, reducing the risk of unauthorized access or compromised security.
Once a certificate has expired, it's no longer considered trustworthy, and systems relying on it may reject connections or transactions. Therefore, the standard practice is to replace the expired certificate with a new one before it expires.
Postponing the expiration date of a certificate defeats the purpose of having expiration dates in the first place and would undermine the security benefits provided by certificate rotation.