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Red Hat Enterprise Linux in-place upgrades

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Applies to: ✔️ Linux VMs

Caution

Following the process in this article will cause a disconnection between the data plane and the control plane of the virtual machine (VM). Azure capabilities such as Auto guest patching, Auto OS image upgrades, Hotpatching, and Azure Update Manager won't be available. To utilize these features, it's recommended to create a new VM using your preferred operating system instead of performing an in-place upgrade.

Note

Offerings of SQL Server on Red Hat Enterprise Linux don't support in-place upgrades on Azure.

Important

Take a snapshot of the image before you start the upgrade as a precaution.

What is RHEL in-place upgrade?

During an in-place upgrade, the earlier RHEL OS major version will be replaced with the new RHEL OS major version without removing the earlier version first. The installed applications and utilities, along with the configurations and preferences, are incorporated into the new version.

Upgrade from RHEL 7 VMs to RHEL 8 VMs

Instructions for an in-place upgrade from Red Hat Enterprise Linux 7 VMs to Red Hat Enterprise Linux 8 VMs on Azure is provided at the Red Hat upgrading from RHEL 7 to RHEL 8 documentation here.

Upgrade from RHEL 8 VMs to RHEL 9 VMs

Instructions for an in-place upgrade from Red Hat Enterprise Linux 8 VMs to Red Hat Enterprise Linux 9 VMs on Azure is provided at the Red Hat upgrading from RHEL 8 to RHEL 9 documentation here.

Upgrade SAP environments from RHEL 7 VMs to RHEL 8 VMs

Instructions for an in-place upgrade from Red Hat Enterprise Linux 7 SAP VMs to Red Hat Enterprise Linux 8 SAP VMs on Azure is provided at the Red Hat upgrading from RHEL 7 SAP to RHEL 8 SAP documentation here.

Upgrade SAP environments from RHEL 8 VMs to RHEL 9 VMs

Instructions for an in-place upgrade from Red Hat Enterprise Linux 8 SAP VMs to Red Hat Enterprise Linux 9 SAP VMs on Azure is provided at the Red Hat upgrading from RHEL 8 SAP to RHEL 9 SAP documentation here.

Next steps