Why isn't pk12util importing on sun iplanet 6 webserver

Question

I am attempting to import a cert into a iplanet 6 webserver using the below command.

pk12util -v -i cert.pk12  -d /sun/alias/ -P $KEYSTORE

I then enter my passwords and the output is:

Converted from: 0 Converted to: 0 0

When I check with the below command, it hasn't been imported.

certutil -L -d /sun/alias/ -P $KEYSTORE

Results are blank:

Certificate Name Trust Attributes

I have tried various different ways of generating my pk12 cert and all have the same result.

Any help would be appreciated before my certs expire.