Failover Cluster Manager 3 nodes (Exchange 2016 DAG) fails after install KB5029242

Gennadiy Kislyansk 5 Reputation points
2023-09-18T13:58:47.7466667+00:00

Failover Cluster Manager 3 nodes (Exchange 2016 DAG) fails after install KB5029242

Error - Cluster has lost the UDP connection from local endpoint

Windows Server 2016
Windows Server 2016
A Microsoft server operating system that supports enterprise-level management updated to data storage.
2,510 questions
Microsoft Exchange
Microsoft Exchange
Microsoft messaging and collaboration software.
539 questions
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  1. Shaofan Lv-MSFT 6,915 Reputation points Microsoft Vendor
    2023-09-19T07:56:13.61+00:00

    Hi @Gennadiy Kislyansk

    This does not appear to be an error event; this is an informational event.

    User's image

    I found in the list summarized by John: List of Failover Cluster Events in Windows 2016/2019

    BTW, this doesn't seem to be detailed in the MS DOC.

    https://learn.microsoft.com/en-us/windows-server/failover-clustering/system-events

    Regards

    Shaofan

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