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Event ID 2023 and 2120 RRS feed

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    I am seeing thes Event IDs on some of the hosts I am monitoring and don't realy know if this is anything to be concerned about or not:

    2023
    The health service has removed some items from the send queue for management group "Servers" since it exceeded the maximum allowed size of 15 megabytes.

    2120
    The Health Service has deleted one or more items for management group "Servers" which could not be sent in 1440 minutes.

    Thanks,
    Reuv

    Sunday, October 25, 2009 7:32 AM

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    Hi Reuv

    Have you just imported a new (or updated) management pack that affects these servers?

    You can check the Send Queue on the agents in the OpsMgr console:
    - Monitoring --> Operations Manager --> Agent Performance --> Send Queue % Used (and Send Queue Size)

    If you check these performance metrics, does the queue suddenly jump up at a certain time? If so, what configuration change was made? Or has this been increasing slowly over time? In which case the Management Server that the agent uses might be overloaded and struggling to keep up with data being submitted by the agent.

    Cheers

    Graham
    View OpsMgr tips and tricks at http://systemcentersolutions.wordpress.com/
    Wednesday, October 28, 2009 8:23 AM
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    Yes, this is something to be concerned about. Most probably the agent is not correctly communicating with the Management Server.
    Greetz,

    Arie de Haan
    MVP SCOM
    This posting is provide "AS IS" with no guarantees, warranties, rigths etc.
    Tuesday, October 27, 2009 10:35 PM

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    Yes, this is something to be concerned about. Most probably the agent is not correctly communicating with the Management Server.
    Greetz,

    Arie de Haan
    MVP SCOM
    This posting is provide "AS IS" with no guarantees, warranties, rigths etc.
    Tuesday, October 27, 2009 10:35 PM
  • Question
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    Hi Reuv

    Have you just imported a new (or updated) management pack that affects these servers?

    You can check the Send Queue on the agents in the OpsMgr console:
    - Monitoring --> Operations Manager --> Agent Performance --> Send Queue % Used (and Send Queue Size)

    If you check these performance metrics, does the queue suddenly jump up at a certain time? If so, what configuration change was made? Or has this been increasing slowly over time? In which case the Management Server that the agent uses might be overloaded and struggling to keep up with data being submitted by the agent.

    Cheers

    Graham
    View OpsMgr tips and tricks at http://systemcentersolutions.wordpress.com/
    Wednesday, October 28, 2009 8:23 AM
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    I know this is an old thread, but I'm posting my solution as it works for me and someday may help others. From what I can see, the target agent has not communicated with the Management server for some time and has a lot of information to send which has been buffered on the agent.

    Once the agent is able to communicate with the Management server, it tries to send all its information but cannot as the send Q is not big enough and thus the error.

    This fixed my issue on many agents in this same state:

    SCOM: EventID 2023.

    The issue where the OpsMgr event log of an OpsMgr Agent logged EventID 2023: ’…The health service has removed some items from the send queue for management group since it exceeded the maximum allowed size of xyz megabytes…’. This event was shown once per hour.

    Cause
    As it turned out, this server ran many monitored objects, services and applications. As a matter of fact, too many. Normally the queue for a SCOM Agent is set to 15 megabytes (15360 KB).

    Solution
    The maximum queue size should be set to 75 megabytes (76800 KB). Afterwards the Agent is restarted and all is well again. The maximum queue size is 256 megabytes (262144).

    The register key you need to update is to be found here:

    HKLM\SYSTEM\CurrentControlSet\services\HealthService\Parameters\Management Groups\<MG NAME>\MaximumQueueSizeKb

    I hope this helps someone as it has helped me!

    Regards

    JDMils



    • Edited by JDMils1968 Tuesday, November 13, 2012 9:23 PM
    • Proposed as answer by pverdieu Friday, March 22, 2013 12:51 PM
    Tuesday, November 13, 2012 9:17 PM
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    Hi,

    I had EventID 2023 today. (SCOM 2012 R2).

    Glad to have encounter this solution. Worked for me.

    Made me be interested in all of the other regkeys of the agent.

    Stefvb

    Thursday, September 28, 2017 6:53 AM