From the course: Windows Server 2019: High Availability

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Upgrading a network load balanced cluster

Upgrading a network load balanced cluster - Windows Server Tutorial

From the course: Windows Server 2019: High Availability

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Upgrading a network load balanced cluster

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- You can upgrade an existing Network Load Balancing cluster to Windows Server 2019, by taking the entire cluster offline, and upgrading all the hosts. Or you can leave the cluster online, and perform a rolling upgrade. A rolling upgrade entails taking individual cluster hosts offline one at a time, upgrading each host, and returning the host to the cluster. You continue upgrading individual cluster hosts, until the entire cluster is upgraded. A rolling upgrade allows the cluster to continue running during the upgrade. The decision to use rolling upgrades is based on the applications and services running on your existing cluster. If the applications and services support rolling upgrades, then perform a rolling upgrade on the existing cluster. Otherwise, perform the upgrade process recommended for the applications and services running on the cluster. When deciding on performing the upgrade, we need to verify that applications and roles and features running on the cluster are compatible…

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