How to renew/request a new certificate with same key if the active directory certificate is expired without impacting any services? - Microsoft Q&A (2024)

FAQs

How to renew/request a new certificate with same key if the active directory certificate is expired without impacting any services? - Microsoft Q&A? ›

When you renew the CA certificate with the existing key pair, nothing important in the certificate is changed. The certificate will contain the same public and private keys. As the result, all previously issued certificates will chain up to a new CA cert without any changes.

When you renew the CA certificate with the existing key pair, nothing important in the certificate is changed. The certificate will contain the same public and private keys. As the result, all previously issued certificates will chain up to a new CA cert without any changes.

When you renew a certificate using a new private key, you retire the private key and replace it with a new one.

Beyond labeling that relationship, there is no operational correspondence between the "original" and "renewed" certificates. So no, renewing a cert doesn't revoke the old one, and you shouldn't revoke the old one--just let it expire. Only revoke a cert if you suspect its private key has been compromised.

Select SSL Certificates and select Manage for the certificate you want to rekey. Select Rekey your certificate. In the Certificate Signing Request (CSR) field, paste your new CSR, including ----BEGIN NEW CERTIFICATE REQUEST---- and ----END CERTIFICATE REQUEST----, and then select Add Change. Select Submit All Changes.

When your current certificate is about to expire, a Renewal is required. A Revoke & Replace (Reissue) is when you cancel a current, valid certificate and request a new one.

Can two certificates have the same private key? ›

It is definitely possible at a technical level to use one private key for many different certificates.

You need a public and private key pair before creating a Certificate Signing Request (CSR). The private key should be kept secret, while the public key is included in the CSR.

Definitions: A procedure in which a new cryptographic key is generated in a manner that is independent of the (old) cryptographic key that it will replace.

Open the Certificate Authority utility in Administrative Tools. Right click the Root CA name and select All Tasks. Select Renew CA Certificate.

Expired digital certificates can cause a network outage or downtime incurring adverse effects on an organization's network and functionality. Digital certificates like TLS/SSL certificates play a crucial role in the smooth functioning of your website.

Hackers and other cyber-criminals may take advantage of the expired SSL certificate to tamper with or steal information transmitted between the browser and server, affecting user data security. Certificate expiration will cause unexpected business interruption, leading to operating problems and capital loss.

The certificate expiration date is encoded in its body and cannot be changed. To extend the secure connection, it is necessary to replace the expiring certificate on hosting server by a new one with an extended validity period.