Select the server that has the expiring certificate and click the Renew link.Įnter the UNC path to a location that the Exchange servers can write to. Open the Exchange Admin Center and navigate to Servers -> Certificates. So renewing your certificate well in advance of it expiring is a good idea since it ensures that you have time to go through any purchasing or payment processes within your organization that may cause a delay. For example, if you still have 30 days remaining on your certificate, and you renew it for 1 year, you’ll have 1 year plus 30 days on the new certificate. Most CAs will add any days still remaining on the certificate to the new certificate as well. Also, you do not need to wait until the certificate has expired or is about to expire before you begin the renewal process. Note that generating the renewal CSR doesn’t cause any change or interruption to the existing certificate on your server. Sometimes we just need to switch to a different CA for some reason such as technical issues or customer service.
If you’re using a different CA this time around you should just generate a new CSR for a brand new certificate instead.
The process for renewing an SSL certificate involves: If you’re curious about your current Exchange certificates and their expiry dates you can always run my Exchange certificate report script. Most certificate authorities will email you warnings about impending certificate expiry, but the nature of many corporate procurement processes means those reminders often go to some general purchasing team rather than to the technical folks in IT who really need to know about it. Hopefully you aren’t scrambling to complete this task because your certificate has expired. At some point in time after you’ve installed an SSL certificate for Exchange Server 2013 you’ll need to renew that certificate.
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