Error: "unable to load PKCS7 object" is Displayed when Converting or Installing a PKCS #7 Certificate on NetScaler Appliance

When converting and installing a public-key cryptography standards (PKCS) #7 certificate, which has .p7b file extension, to the Privacy Enhanced Mail (PEM) format by using the OpenSSL toolkit, the “unable to load PKCS7 object” error message is displayed.

Source: Error: “unable to load PKCS7 object” is Displayed when Converting or Installing a PKCS #7 Certificate on NetScaler Appliance