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Chapter 1. Supported upgrade paths
The in-place upgrade replaces the RHEL 8 operating system on your system with a RHEL 9 version.
It is not possible to perform an in-place upgrade directly from RHEL 7 to RHEL 9. However, you can perform an in-place upgrade from RHEL 7 to RHEL 8 and then perform a second in-place upgrade to RHEL 9.
Currently, it is possible to perform an in-place upgrade from the following source RHEL 8 minor versions to the following target RHEL 9 minor versions:
| System configuration | Source OS version | Target OS version |
|---|---|---|
| RHEL | RHEL 8.10 | RHEL 9.6 (EUS) |
| RHEL 9.8 | ||
| RHEL with SAP NetWeaver | RHEL 8.10 | RHEL 9.6 (E4S or EUS) |
| RHEL 9.8 (E4S or EUS) | ||
| RHEL with SAP HANA | RHEL 8.10 | RHEL 9.6 (E4S) |
In-place upgrade paths in this table are guaranteed only for systems that use Red Hat Subscription Manager (RHSM). For Pay-As-You-Go (PAYG) RHEL systems that use Red Hat Update Infrastructure (RHUI), only the latest available upgrade path is supported. Note that this does not impact RHEL systems with SAP HANA installed.
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