Certificate renewal

Exchange 2016: Certificate Wizard for Let's Encrypt

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I had already announced that the certificate wizard would receive an update for Let's Encrypt. The version for Exchange 2016 is now ready. The certificate wizard can fetch a certificate from Let's Encrypt with just a few entries and then renew it fully automatically. I have tested this script so far with Windows Server 2016 and Exchange Server 2016. Tests ... Read more

Exchange 2016: Renew Let's Encrypt certificate

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In a previous article, I already described how the free Let's Encrypt certificates can be requested and assigned to Exchange services using PowerShell. I am currently working on automating the entire process from requesting the Let's Encrypt certificate to automatic renewal using PowerShell. The goal is a fire-and-forget script for the Exchange certificates, let's ... Read more

Exchange 2013/2016: Event ID 2001 Failed to load SSL certificate

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After renewing the certificate for Exchange Server 2013 and Exchange Server 2016 (think also for Exchange 2010), the following event occurs after restarting the IIS server: [OWA] Failed to load SSL certificate The login to OWA or ECP is then no longer possible, it appears after entering the user name and password ... Read more