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If I want to use Cluster-Aware Updating (CAU) to update SQL failover clusters, do I also need to take that into account in SCCM configuration?

TuomasJ 0 Reputation points
2025-08-01T09:24:16.0366667+00:00

If I want to use Cluster-Aware Updating (CAU) to update SQL failover clusters, do I also need to take that into account in SCCM configuration? In other words, is it enough if the SCCM-deployed update packages and maintenance windows align with the CAU schedule?

Microsoft System Center | Other
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  1. Marcin Policht 68,060 Reputation points MVP Volunteer Moderator
    2025-11-27T15:01:42.0733333+00:00

    Correct - as per https://learn.microsoft.com/en-us/windows-server/failover-clustering/cluster-aware-updating-faq

    Can CAU work with Configuration Manager?

    CAU is a tool that coordinates software updates on a cluster node, and Configuration Manager also performs server software updates. It's important to configure these tools so that they don't have overlapping coverage of the same servers in any datacenter deployment, including using different Windows Server Update Services servers. This ensures that the objective behind using CAU is not inadvertently defeated, because Configuration Manager-driven updating doesn't incorporate cluster awareness.

    Details at https://learn.microsoft.com/en-us/answers/questions/1293872/can-we-interface-sccm-with-cluster-aware-updating

    If the above response helps answer your question, remember to "Accept Answer" so that others in the community facing similar issues can easily find the solution. Your contribution is highly appreciated.

    hth

    Marcin

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