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Once an SSL certificate expires, other clients (users with browsers) cannot verify your website authenticity. In addition, it may not comply with the latest security standards, leading to vulnerability in encryption mechanisms down the line.

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.

The certificate file types can be . pem, . crt, . cer, or .

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.

Certificate extensions are information fields that provide additional information about the certificate. Certificate extensions provide a means of expanding the original X.

Digital certificates validity periods are specific to each type of certificate. Currently, code signing certificates are valid for up to three years while SSL certificates are valid for just over one year.

No, you cannot extend the expiration or validity period of your installed SSL/TLS Certificate. But it's possible for you to renew your SSL/TLS Certificate 90 days before expiration.

Note Renew an SSL/TLS certificate. STEP 1: Generate CSR. STEP 2: Sign in to your CertCentral account. STEP 3: Fill out the renewal form. STEP 4: DigiCert issues the SSL/TLS certificate. Step 5: your renewed SSL/TLS certificate. Renewal FAQ.

Certificate renewal means the process by which the validity of a valid or expired certificate is regained or extended.

Change expiration date of certificates issued by CA Click Start, and then click Run. In the Open box, type regedit, and then click OK. Locate, and then click the following registry key:In the right pane, double-click ValidityPeriod. In the Value data box, type one of the following, and then click OK: