General:
Make sure you are running version 2.3.7. or newer
This goes for the server, supervisor and pcboards.
Do the following:
Close RUBY2 Server.
This is very important! : Close all the RUBY PCBoards.
Open the RUBY2 Config program
C:\Program Files\Datatex\Ruby2\Config.exe
Click on "Agents" Tab
Click on "Modify".
On the left, change the "group" number
On the right, change the "groupid" number
Before you click on "Update RUBY",
make sure you changed the group number under
"group" AND "groupid".
Once you did the "Update Ruby", click on "Close"
Re-start RUBY Server.