"Microsoft will stop taking orders for one-year reservations for 13 instance types, meaning it won't be possible to book a server for a year. Microsoft will retire these instance types in May and November 2028."
"The software giant has published several pages offering advice on what to do, but none of them explain why it's decided to retire these instance types. The Register thinks it's because they run old Xeon CPUs from Intel's Haswell, Skylake and Cascade Lake generations."
"More recent processors outperform these oldies and few Xeons have major backward-compatibility roadblocks, so very few cloudy workloads won't be able to move. Users should therefore quite enjoy the move to newer Azure instances."
"Microsoft will certainly like the move because newer CPUs offer more cores and almost certainly consume less energy than Intel's oldies, meaning Redmond can pack more VMs into fewer servers while incurring lower operating costs."
Microsoft will cease long-term rentals for 17 Azure instance types starting July 1st, affecting older machines powered by Intel CPUs from the 2010s. Thirteen instance types will no longer be available for one-year reservations, while four others will remain operational but without reservation options. The retirement of these older instances is likely due to their outdated Xeon processors, which are outperformed by newer models. Microsoft encourages users to migrate to newer Azure instances, which offer better performance and energy efficiency, potentially freeing up datacenter space for AI hardware.
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