SSL/TLS certificate in PKCS#12 (.p12 or .pfx) format cannot be installed completely by Symantec Messaging Gateway (SMG) for your scanner.
Scanner shows "Requested" in certificate list in Control Center.
The PKCS#12 certificate is not compatible with SMG, and the SMG cannot convert it on its own.
Certificates must be in x509/PEM format in order to be installed into the Messaging Gateway.
Notice: These instructions are provided as a service to our customers. Symantec ECS will not provide assistance to convert certificate formats by phone, email, or chat. For more assistance, please contact your certificate authority.
Convert the PKCS#12 certificate to x509/.pem file and import: