Windows Server 2003、Azure上で動かせる？

A. 動かせます。
https://support.microsoft.com/en-us/kb/2721672

===上記URLから一部コピペ
Windows Server 2003 and later versions are supported for deployment in Microsoft Azure. For versions that are earlier than Windows Server 2008 R2, there is no Azure Marketplace support, and customers must provide their own images. The ability to deploy an operating system on Microsoft Azure is independent of the support status of the operating system. Microsoft does not support operating systems that are past their End of Support date without a Custom Support Agreement (CSA). For example, Windows Server 2003/2003 R2 is no longer supported without a CSA.
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統計資料サイトまとめ

https://anagrams.jp/blog/useful-websites-for-statistical-data/

Azure AWS SoftLayer GCP 比較

http://cloudcomparison.rightscale.com

https://azure.microsoft.com/ja-jp/campaigns/azure-vs-aws/mapping/

無駄な時間は最小限に。

Azure Media Services Step-by-Step Series

安心して下さい。日本語ですよっ

https://docs.com/fukushima-shigeyuki/7774/azure-media-services-stype-by-step-series

Raspberry Pi から Power BI までの IoT 的な一連の流れ

素晴らしい・・・。

SORACOM Air メタデータサービスでIMSI情報を取得し、Microsoft Azure「Event Hub」と接続する

#Event Hub, Stream Analytics, Power BI

LinuxやFreeBSDを、Hyper-VやAzure上で動かすときに役立つリンク集

https://azure.microsoft.com/en-us/blog/microsoft-loves-linux-deep-dive-blog-series/

Azure上で、Performance Monitor ログ収集

これで（ほぼ）リアルタイムで。

===ログ容量の参考見積
For a particular computer, a given counter instance (e.g., Processor(_Total)\% Processor Time) with 10 second sample interval will send ~1MB per day (~1MB/day/counter instance). You can multiply this number by the number of computers that you have to get an estimate usage per counter instance across all your computers.
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http://www.systemcentercentral.com/oms-near-real-time-nrt-performance-data-collection/