THE INFORMATION IN THIS ARTICLE APPLIES TO:
QUESTION
How can I chain a certificate in PFX format?
ANSWER
A detailed procedure is described in the attached PDF.
MORE INFORMATION
The certificate chain is essentially a certificate path from signed certificate to intermediate to CA root certificate to indicate that the certificate is trusted.
http://msdn.microsoft.com/en-us/library/windows/desktop/aa376515(v=vs.85).aspx
http://en.wikipedia.org/wiki/Certification_path_validation_algorithm
In some environments, Java and other applications may have difficulty validating the certificate chaining path if only the signed cert is provided.
Chaining a certificate makes it easier for Java and other applications in some environments to validate the certificate validity path. A chained certificate has all of the certificate in the certificate path chain in one file.