Tag Archives: IIS 6

USERTrust intermediate certificate malformed

Issue: Users receive errors USERTrust Legacy Secure Server CA is malformed or invalid.  IE users may receive error: "Information you exchange with this site cannot be viewed or changed by others. However, there is a problem with the site’s security certificate". Example of USERTrust malformed certificate error in Chrome connecting to OWA: Cause: The USERTrust intermediate cert issued by Comodo references an Entrust.net root cert that does not meet the new 2048-bit requirements. Ramifications: As Read more [...]

How to renew Exchange 2003 SSL Certificate

Issue: The certificate in use on your Exchange 2003 server has expired and needs to be renewed or replaced. Background: Exchange 2003 running on Windows 2003 uses IIS 6.0, therefore the certificate is tied to the Default Website in IIS and can be renewed/replaced using IIS Manager.  SSL certificates are used to encrypt http sessions allowing you to run encrypted Outlook Web Access and Activesync sessions over port 443 (HTTPS). In order to use a certificate that will be recognized by browsers Read more [...]