Tag Archives: Certificates

Renew Exchange 2010 Certificate

If your organization is running Microsoft Exchange 2007/2010, you may not be aware that the Self-Signed Exchange Certificate that is installed by default during installation has a validation period of 5 years. If you start getting the Outlook security prompt pictured below, than chances are your certificate has expired. Fortunately Microsoft has made the process…  Read More 

Let’s Encrypt Certificate Authority

Let’s Encrypt is a free, automated, and open certificate authority (CA), run for the public’s benefit. Let’s Encrypt is a service provided by the Internet Security Research Group (ISRG). The key principles behind Let’s Encrypt are: Free: Anyone who owns a domain name can use Let’s Encrypt to obtain a trusted certificate at zero cost. Automatic: Software running on…  Read More