error: please check username and context or hardware configured for NMAS
(if any)or NMAS credentials

This is a new VPN setup on BM 3.8 sp4.
Clients are unable to authenticate.

Additionaly we receive a "NBMLICENSE MANAGER : unable to obtain
a valid license. Code=8000100c" error on the logger screen.
Removed and installed the license (trial) to no avail.

ByTheWay: Proxy works fine.