This article details how to not prompt internal users to enter a passphrase for keys during client enrollment.
Administrators can configure clients to use Server Key Mode (SKM) so that users are not prompted to create a key passphrase during client enrollment. In Server Key Mode (SKM), the PGP Universal Server generates and manages user keys and no passphrase is assigned to the key. The SKM key mode includes the following characteristics:
To enable Server Key Mode (SKM) for clients
Clients of the internal user policy will not be prompted to enter a passphrase during enrollment.