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"Modulus Mismatch" error

The "Modulus Mismatch" error is returned when the private key generated with the CSR does not...
Apache error "X509_check_private_key:key values mismatch"

Error: "SSL Library Error: 185073780 error:0B080074:x509 certificate...
Apache error: Untrusted and Missing Intermediate Certificate

If your website is accessible via HTTPS in most browsers but untrusted error will appear on...
Certificate chain incomplete on Windows Server

Windows Server users may encounter "untrusted connection" error in certain situations when trying...
Error installing SSL certificate in Tomcat: Input not an X.509 certificate

During the import of an SSL certificate you may get the following error: Error:...
Nginx error: "error:0B080074:x509 certificate routines: X509_check_private_key:key values mismatch"

There are 2 possible reasons why you may receive this error and there are 2 possible solutions to...
Nginx/Apache error: 0906D066:PEM routines:PEM_read_bio:bad end line

NginX After the SSL certificate is generated by the issuing authority, the files are sent to the...
SN Bad tag value error or Cannot find certificate request associated with the certificate on IIS 7 servers

When installing an SSL certificate on an IIS 7 server, the following error may occur: Cannot...
SSLEngine error on an Apache server

After you create the virtual host registration for port 443 during the certificate installation...
The certificate with thumbprint XXXXXXXXX was found but is not valid for use with Exchange Server (reason: PrivateKeyMissing)

The above error can have several causes: CSR was created in IIS and it is trying to install...
Tomcat cannot be restarted: "ssl_no_cypher_overlap" error

This error can usually be seen in Tomcat logs (catalina.out) or in the browser when you try to...
Using Host Headers in IIS 6-7.5

To configure Host Header for a website in IIS 6 using IIS Manager follow the steps below:...
Warning in Plesk: The CA certificate does not sign the certificate

The "The CA certificate does not sign the certificate" error may appear in the Plesk...
Why have SSLs disappeared from the list of certificates on a Windows server?

Windows server users may occasionally have problems with imported SSL certificates that may...