migration – Azure Lifecycle Management Rule

This could happen if you select “Append blobs” in blob types (1st step) because access tier is only available for Block blobs.

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Furthermore, please ensure that the redundancy type for your storage account is one of the following values: LRS, GRS, or RA-GRS. Archive tier is not supported for ZRS, GZRS, or RA-GZRS.

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Please make sure that these conditions are met. To learn more, please see this link: learn.microsoft.com/en-us/azure/storage/blobs/access-tiers-overview?tabs=azure-portal

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