Your solution solved the issue my client was facing.

Server side and client side logs are attached with this post. Local Mac laptop: macOS Monterey (Version 12.4) – Remote and local Windows/Mac/Linux version (Windows XP/7/8, OS X 10.x, Ubuntu xyz, Mint x.y, etc.). – Whether the problem arises connecting to a physical or a virtual display.

Server: NoMachine Workstation Subscription Pack – NoMachine product and version on local and remote machine (free version, Workstation, etc) Please find some logs below:ĩ6726 96726 13:15:42 470 RetrieveKerberosTicket: ERROR! Failed to readkerberos principal.ĩ6726 96726 13:15:42 470 RetrieveKerberosTicket: ERROR! Kerberos error is -1765328189.ĩ7407 97407 13:16:11 003.802 NXSERVER checkNodeCfg: denied services in node.cfgĩ7407 97407 13:16:11 003.854 NXSERVER Services denied in node profile and deny on node: ĩ7407 97407 13:16:11 144.675 NXSERVER User: mrazizad is NOT trusted on node: localhost:4000 and for user gdm.ĩ7407 97407 13:16:11 144.753 NXSERVER Physical desktop sharing is restricted by configuration.ĩ7407 97407 13:16:11 144.814 NXSERVER _checkFilterUserByFlags: user mrazizad cannot get access to desktop gdm ĩ7407 97407 13:16:11 144.944 NXSERVER _setDataToColumns: client is supporting platform parametersĩ7407 97407 13:16:11 145.055 NXSERVER Connection to client still open.ĩ7407 97407 13:16:11 145.112 NXSERVER NXMsg: Sent response message 'NX> 127 Session list of user 'mrazizad': 'ĩ7407 97407 13:16:11 145.753 NXSERVER Check type virtual-desktops-limit user mrazizad and node. Any pointers on how to fix this issue is highly appreciated. After some initial investigations, it looks like it is a Kerberos issue but not fully sure. My client is trying to log into RHEL 8 server via NoMachine from his Mac Laptop and he could not do so.

Nomachine enterprise desktop