The following warning message : user sessions exceed license: Access denied appears when you try to login with the same user simultaneously on the Free version of NetYCE or when you have a NetYCE license for only one user account. Is this not the case for you ? Then make sure that you have inserted the correct NetYCE license file including the header containing # symbols.

Example license file

# netYCE license file
# 
# Customer name: Genesis
# Licensee: NetYCE Genesis
# Issue date: 20200415
# Expiry date: 20300131
# Status: Evaluation
# Version: 7
# 
8F24-25A2-474A-95F2-0A1C
3D10-257C-073B-9548-094B
CFF1-BC94-1F49-CE67-0C1B
218E-25F1-B8F1-23CC-0B0E
C510-8762-38B2-71EB-0A16
57C0-28D8-89F9-DB34-0A5A
C1E5-6943-5F3D-CBFB-0C13
19ED-9EF7-00B1-23A0-0B0B
6CEA-5C24-EC27-B699-0B4C
B54F-B1B3-0665-88AE-0B14