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Home > Success Center > Serv-U Managed File Transfer & Serv-U FTP Server > Security scan error: The server's certificate chain is incomplete

Security scan error: The server's certificate chain is incomplete

Updated August 24, 2016

Overview

The following error occurs after a security scan:

This server's certificate chain is incomplete. Grade capped to B.

Environment

All Serv-U versions

Cause 

Any of the following triggers the error:

  • The certificate chain on the server is incomplete.
  • The intermediate certificate is not uninstalled.

Resolution

  • If the certificate chain on your server is incomplete:

Go back to your Certificate vendor and ask them to give you the necessary intermediate certificates, after which you will need to add them to your configuration.

 

  • If the intermediate certificate is not uninstalled:

It will display in the "Additional Certificates (if supplied)" section, and the chain issue will go away (if it's installed correctly).

You should not include the Root certificate.

 

 

 

Last modified
23:44, 23 Aug 2016

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Public