Dan O'Reilly wrote: > I've generated > the DER-format P7B file that contains the CA's trusted root certificate > and copied it to my VMS system. "P7B" makes me suspect that you have a PKCS#7 structured file. That's wrong. You need the certs formatted as ASCII (PEM). Use command 'openssl pkcs7 -inform der -print_certs' to export them. Ciao, Michael.