A MAC computer was created 80k times with the same name when using Asian characters that were appended to the end of the name.
Need to delete the duplicate computers.
ITMS 8.x
Corruption in the Sym Agent.
Uninstall the corrupted Sym Agent.
Delete the duplicate computer entries in the Console from Manage>Computers.
Note: In this particular case, the Notification Server was under resourced with CPU, Memory, and Disk Space, so the Altiris Admin needed to delete a few entries at a time to avoid overwhelming the Notification Server.