Log into the ADMINISTATOR:
Before upgrade 1.5.6.0:
Configure SMDRLINK -> Change "Local Code".
Click on "Apply".
Server Settings -> Stop SMDRLink, to stop SMDRLink.
Server Settings -> Start SMDRLink, to start SMDRLink.
After and including upgrade 1.5.6.0:
Configure Sweeper -> Change "GetSet Local Code".
Click on "Apply".
Make sure the GETSET Port is set to 9999
Server Settings -> Stop AMTSweeper, to stop AMTSweeper.
Server Settings -> Start AMTSweeper, to start AMTSweeper.