Merge pull request #2466 from MicrosoftDocs/repo_sync_working_branch

Confirm merge from repo_sync_working_branch to main to sync with https://github.com/MicrosoftDocs/azure-compute-docs (branch main)

Author: Taojunshen

articles/virtual-machines/linux/azure-hybrid-benefit-linux.md

@@ -486,6 +486,9 @@ Converting to a PAYG subscription model is supported for Azure Marketplace image
 
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+> [!NOTE]
+> The AHBForRHEL extension currently supports RHEL 7 and RHEL 8, but doesn't support RHEL 9 or later. As a result, the extension doesn't automatically install the RHUI client on RHEL 9 or later versions. Until support for RHEL 9+ is introduced, repositories must be configured manually after installing the extension by following the procedure outlined in [Manual update procedure to use the Azure RHUI servers](/azure/virtual-machines/workloads/redhat/redhat-rhui#manual-update-procedure-to-use-the-azure-rhui-servers).
+
 ### Multiple VMs
 
 The following command converts the VMs that are specified in the argument to BYOS: