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Azure Reserve server

Suliat Olayiwola 0 Reputation points
2025-09-13T09:25:01.8766667+00:00

Your company is planning on setting up Azure virtual machines as part of their Azure subscription. They are looking at the various costing aspects when it comes to hosting Azure virtual machines. They are also looking at Azure Reservations. Can they reserve server capacity at a data center level?

R Server for HDInsight
R Server for HDInsight
An Azure service that provides predictive analytics, machine learning, and statistical modeling for big data.
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  1. Marcin Policht 68,850 Reputation points MVP Volunteer Moderator
    2025-09-13T11:17:47.14+00:00

    Azure Reservations allow you to pre-commit to using certain resources for 1 or 3 years in exchange for significant cost savings (up to ~72% compared to pay-as-you-go). For Virtual Machines, you reserve compute capacity, but the scope is at the VM size and region level, not at the specific datacenter level. That means:

    • You choose a region (e.g., East US, West Europe).
    • You choose the VM family/size (e.g., D-series, E-series).
    • You do not reserve capacity tied to one exact physical datacenter inside that region. Azure manages that placement internally.

    So they cannot reserve server capacity at a data center level. Reservations work at the region + VM size/family level, not at the physical datacenter level.

    If the above response helps answer your question, remember to "Accept Answer" so that others in the community facing similar issues can easily find the solution. Your contribution is highly appreciated.

    hth

    Marcin

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