Frequently, the Event Queue (under C:\ProgramData\Symantec\SMP\EventQueue\EvtQueue) on the SMP Server will receive a bunch of NSEs.
Also, many client machines have multiple NSEs accumulated in their own NSE queue (under C:\Program Files\Altiris\Altiris Agent\Queue) because they are waiting for the SMP Server to process all those accumulated NSEs.
ITMS 8.7 RU1
Known issue. There was one workstation that had 5,000 NSEs in its agent queue (due to a single corrupted Inventory nse file that caused infinite retries of a growing number of NSE files on that machine because of the bug). All of those files were transferred to the SMP Event Queue at the same time.
We had fixed that logic, so the corrupted files would be removed and not cause any further trouble:
This issue has been reported to our Broadcom Development team. We fixed this issue in our ITMS 8.7.2 release.
There is an 8.7 RU1 Point Fix that addresses this issue:
Download the SMA_SMP_8_7_1_PF_v8_20Feb2024.zip (or later) file from the following document and install it.
CUMULATIVE POST ITMS 8.7.1 POINT FIXES
Workaround:
Remove the whole Outbox folder on that affected client machine: