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Operations Manager Log; Operations Manager has discarded 1 items in management group... (Event-ID 21042)

Sandro D'Incà 271 Reputation points
2023-06-29T09:28:22.4866667+00:00

on our SCOM-server in the operations manager - eventlog, there are many informational events with the following ID:

Level: Information
Event-ID: 21042
Source: OpsMgr Connector
General:
Operations Manager has discarded 1 items in management group, which came from XYZ. These items have been discarded because no valid route exists at this time. This can happen when new devices are added to the topology but the complete topology has not been distributed yet. The discarded items will be regenerated.

and there are log-entries from almost every single system, who's monitored by SCOM. is this maybe a corrupt SCOM-workflow?

there are no more details visible in the event to dig into this case. maybe starting a tracelog of the SCOM-agent would help?

any other thoughts / ideas?

System Center Operations Manager
System Center Operations Manager
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  1. XinGuo-MSFT 22,271 Reputation points
    2023-06-30T09:42:00.71+00:00

    Hi,

    These are just warnings.  It may be a sign that your RMS is processing data slower than ideal or that some agents are sending so much data that they are overwhelming the RMS and it is getting behind.  Look at whether you have massive collection rules or have introduced any discoveries that cause individual properties to change frequently.  These can cause the system to get sluggish in it's data pumpage

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