VERIFIED SOLUTION i

How to control access to the data mining server in Spectrum/Portrait Miner

Product Feature: Main Explorer window

Operating System: Windows
 
Access to the Spectrum/Portrait Miner server can be controlled by the 'Local Security Policy' on the server.

In particular 'Allow log on locally' and 'Access this computer from the network' are required for a user to be successfully authenticated when logging on from a Spectrum/Portrait Miner client.

Local Security Policy

Particular users/groups can be allowed access or blocked using these options on the server.
UPDATED:  August 1, 2017