How To Setup Priority Queuing

In order to specify a specific user for priority queuing head into your FTP client and locate or create the following file in the root of the FTP.

priority.txt

Within this file set it up as follows:
SteamId;SteamId;01234567890123456;01234567890123456
Save the file back to your FTP Client and restart your server. they will now be in the first position, before the non-prioritized users.
You can change the queue status within the admin/serverDZ.cfg file

loginQueueConcurrentPlayers=5; // The number of players concurrently processed during the login process. Should prevent massive performance drop during connection when a lot of people are connecting at the same time.

loginQueueMaxPlayers=500; // The maximum number of players that can wait in login queue