{"id":70231,"date":"2023-12-20T03:07:16","date_gmt":"2023-12-20T03:07:16","guid":{"rendered":"https:\/\/wp.eastgate-software.com\/?p=70231"},"modified":"2026-03-31T13:28:05","modified_gmt":"2026-03-31T06:28:05","slug":"on-premise-to-cloud-migration-step-by-step-approach","status":"publish","type":"post","link":"https:\/\/wp.eastgate-software.com\/jp\/on-premise-to-cloud-migration-step-by-step-approach\/","title":{"rendered":"\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u304b\u3089\u30af\u30e9\u30a6\u30c9\u3078\u306e\u79fb\u884c\uff1a \u30b9\u30c6\u30c3\u30d7\u30fb\u30d0\u30a4\u30fb\u30b9\u30c6\u30c3\u30d7\u306e\u30a2\u30d7\u30ed\u30fc\u30c1"},"content":{"rendered":"

According to a 2025 report by Flexera, over 80% of enterprises have adopted a cloud-first strategy to improve scalability and reduce infrastructure costs<\/strong>. As businesses seek greater agility and resilience, the shift from on-premise to cloud migration<\/strong> has become a critical component of digital transformation.<\/span><\/p>\n

2026\u5e74\u4ee5\u964d\u3001, migrating from on-premise to cloud<\/strong><\/a><\/span> enables organizations to modernize their IT infrastructure, enhance flexibility, and support faster innovation. Cloud-based solutions provide on-demand resources, improved collaboration, and the ability to scale operations efficiently\u2014making them essential for staying competitive in a rapidly evolving market.<\/span><\/p>\n

In this article, you will gain a clear understanding of the on-premise to cloud migration journey, including key steps, best practices, and how to successfully transition your infrastructure to the cloud.<\/span><\/p>\n

\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u3068\u30af\u30e9\u30a6\u30c9\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3<\/span><\/span><\/strong><\/h2>\n

\u30aa\u30f3\u30d7\u30ec\u30df\u30b9<\/span><\/span><\/h3>\n

On-premises infrastructure refers to the traditional method of storing data and managing software applications, where all hardware and software components are located within the physical confines of an organization. This includes servers, data centers, and networks that are fully operated, managed, and maintained by the organization\u2019s in-house IT team.<\/span><\/p>\n

\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u306f\u3001\u7d44\u7e54\u306f\u30c7\u30fc\u30bf\u3068\u30b7\u30b9\u30c6\u30e0\u3092\u5b8c\u5168\u306b\u5236\u5fa1\u3067\u304d\u307e\u3059\u304c\u3001\u591a\u984d\u306e\u5148\u884c\u6295\u8cc7\u3068\u7d99\u7d9a\u7684\u306a\u4fdd\u5b88\u30b3\u30b9\u30c8\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u306e\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u30af\u30e9\u30a6\u30c9\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u63d0\u4f9b\u3059\u308b\u62e1\u5f35\u6027\u3068\u67d4\u8edf\u6027\u306b\u6b20\u3051\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/span><\/p>\n

\u30af\u30e9\u30a6\u30c9<\/span><\/span><\/h3>\n

\u30af\u30e9\u30a6\u30c9\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3068\u306f\u3001 \u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc<\/span><\/strong> \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u7d4c\u7531\u3067\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u30e2\u30c7\u30eb\u306b\u3088\u308a\u3001\u4f01\u696d\u306f\u81ea\u793e\u306e\u7269\u7406\u30b5\u30fc\u30d0\u30fc\u3084\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3092\u7dad\u6301\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308a\u3001\u30b3\u30a2\u696d\u52d9\u306b\u96c6\u4e2d\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u30e2\u30c7\u30eb\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u7ba1\u7406\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3001\u5c0e\u5165\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u69cb\u6210\u3055\u308c\u3001\u3059\u3079\u3066\u30af\u30e9\u30a6\u30c9\u4e0a\u306b\u914d\u7f6e\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/span><\/p>\n

\u30af\u30e9\u30a6\u30c9\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u901a\u5e38\u3001\u4f7f\u7528\u91cf\u306b\u57fa\u3065\u3044\u3066\u8ab2\u91d1\u3055\u308c\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30b9\u30b1\u30fc\u30eb\u30a2\u30c3\u30d7\u307e\u305f\u306f\u30b9\u30b1\u30fc\u30eb\u30c0\u30a6\u30f3\u304c\u53ef\u80fd\u3067\u3059\u3002\u3053\u306e\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306f\u3001\u30b3\u30b9\u30c8\u52b9\u7387\u3068\u62e1\u5f35\u6027\u3092\u63d0\u4f9b\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u3044\u3064\u3067\u3082\u3069\u3053\u304b\u3089\u3067\u3082\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u305f\u3081\u3001\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u3001\u67d4\u8edf\u6027\u3001\u305d\u3057\u3066\u4e8b\u696d\u7d99\u7d9a\u6027\u3092\u4fc3\u9032\u3057\u307e\u3059\u3002.<\/span><\/p>\n

Types of Cloud Migration The 6 R\u2019s<\/b><\/span><\/p>\n

\u5178\u578b\u7684\u306b\u306f 6\u3064\u306e\u4e3b\u8981\u6226\u7565<\/span><\/strong> \u4f01\u696d\u304c\u30af\u30e9\u30a6\u30c9\u79fb\u884c\u3092\u8a08\u753b\u3059\u308b\u969b\u306b\u8003\u616e\u3059\u3079\u304d\u4e8b\u9805\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/span><\/p>\n

 <\/p>\n

+ \u518d\u30db\u30b9\u30c6\u30a3\u30f3\u30b0<\/b>: Often referred to as the \u2018lift and shift\u2019 method, this involves migrating existing systems to the cloud without any modifications.<\/span><\/p>\n

+ \u30ea\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<\/b>: \u30af\u30e9\u30a6\u30c9\u6a5f\u80fd\u3092\u6d3b\u7528\u3059\u308b\u305f\u3081\u306b\u3001\u79fb\u884c\u4e2d\u306b\u30b7\u30b9\u30c6\u30e0\u306b\u3042\u308b\u7a0b\u5ea6\u306e\u5909\u66f4\u3092\u52a0\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b3\u30a2 \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306f\u5909\u66f4\u3055\u308c\u307e\u305b\u3093\u3002.<\/span><\/p>\n

+ \u518d\u8cfc\u5165<\/b>: This strategy involves moving to a new product that takes advantage of the cloud\u2019s capabilities. This could mean moving from a traditional customer relationship management (CRM) system to a cloud-based CRM like Salesforce.<\/span><\/p>\n

+ \u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\/\u518d\u69cb\u7bc9<\/b>: \u4f01\u696d\u304c\u65e2\u5b58\u306e\u74b0\u5883\u3067\u306f\u5229\u7528\u3067\u304d\u306a\u304b\u3063\u305f\u65b0\u3057\u3044\u30af\u30e9\u30a6\u30c9\u30cd\u30a4\u30c6\u30a3\u30d6\u6a5f\u80fd\u3092\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408\u3001\u79fb\u884c\u4e2d\u306b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u518d\u8a2d\u8a08\u3059\u308b\u3053\u3068\u3092\u9078\u629e\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/span><\/p>\n

+ \u5f15\u9000<\/b>: \u4e00\u90e8\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u79fb\u884c\u5f8c\u306b\u306f\u5fc5\u8981\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u30ea\u30bd\u30fc\u30b9\u3092\u7bc0\u7d04\u3059\u308b\u305f\u3081\u306b\u5ec3\u6b62\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/span><\/p>\n

+ \u4fdd\u6301<\/b>\u4e00\u90e8\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u307e\u3060\u30af\u30e9\u30a6\u30c9\u79fb\u884c\u306e\u6e96\u5099\u304c\u6574\u3063\u3066\u3044\u306a\u3044\u304b\u3001\u30af\u30e9\u30a6\u30c9\u79fb\u884c\u306b\u9069\u3057\u3066\u3044\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u7d44\u7e54\u3067\u306f\u9069\u5207\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u898b\u3064\u304b\u308b\u307e\u3067\u3053\u308c\u3089\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u3067\u7dad\u6301\u3059\u308b\u3053\u3068\u3092\u6c7a\u5b9a\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/span><\/p>\n

\u30af\u30e9\u30a6\u30c9\u3078\u306e\u79fb\u884c\u306e\u30e1\u30ea\u30c3\u30c8<\/span><\/span><\/strong><\/h2>\n

Before we delve into the step-by-step process of migrating from an on-premises infrastructure to a cloud-based one, it\u2019s crucial to understand the \u5229\u70b9<\/span><\/strong> such a transition brings. These advantages are the why to your how, providing the motivation and direction for undertaking such a substantial shift in your operational strategy. With that said, let\u2019s explore the key benefits of migrating to the cloud.<\/span><\/p>\n

\u30b3\u30b9\u30c8\u52b9\u7387<\/strong><\/span><\/p>\n

\u30af\u30e9\u30a6\u30c9\u3078\u306e\u79fb\u884c\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u3084\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3068\u3044\u3063\u305f\u9ad8\u4fa1\u306a\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u8abf\u9054\u3068\u7dad\u6301\u306b\u6295\u8cc7\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308b\u305f\u3081\u3001\u8a2d\u5099\u6295\u8cc7\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002\u4eee\u60f3\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3078\u306e\u79fb\u884c\u306f\u3001\u96fb\u529b\u6d88\u8cbb\u3084\u51b7\u5374\u30b7\u30b9\u30c6\u30e0\u306b\u95a2\u9023\u3059\u308b\u30b3\u30b9\u30c8\u3082\u524a\u6e1b\u3057\u307e\u3059\u3002\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u63d0\u4f9b\u3059\u308b\u5f93\u91cf\u8ab2\u91d1\u30e2\u30c7\u30eb\u306b\u3088\u308a\u3001\u4f01\u696d\u306f\u4f7f\u7528\u3057\u305f\u30ea\u30bd\u30fc\u30b9\u306b\u5bfe\u3057\u3066\u306e\u307f\u6599\u91d1\u3092\u652f\u6255\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u652f\u51fa\u3092\u3088\u308a\u9069\u5207\u306b\u7ba1\u7406\u3067\u304d\u307e\u3059\u3002.<\/span><\/p>\n

\u67d4\u8edf\u6027\u304a\u3088\u3073\u62e1\u5f35\u6027<\/strong><\/span><\/p>\n

\u30af\u30e9\u30a6\u30c9\u30d9\u30fc\u30b9\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u6700\u5927\u306e\u30e1\u30ea\u30c3\u30c8\u306e\u4e00\u3064\u306f\u3001\u30d3\u30b8\u30cd\u30b9\u306e\u6210\u9577\u306b\u5408\u308f\u305b\u3066IT\u30ea\u30bd\u30fc\u30b9\u3092\u5bb9\u6613\u306b\u62e1\u5f35\u3067\u304d\u308b\u3053\u3068\u3067\u3059\u3002\u30af\u30e9\u30a6\u30c9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u3001\u30d3\u30b8\u30cd\u30b9\u30cb\u30fc\u30ba\u306b\u5fdc\u3058\u3066\u30b5\u30fc\u30d3\u30b9\u3068\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u67d4\u8edf\u306b\u30b9\u30b1\u30fc\u30eb\u30a2\u30c3\u30d7\u307e\u305f\u306f\u30b9\u30b1\u30fc\u30eb\u30c0\u30a6\u30f3\u3067\u304d\u308b\u305f\u3081\u3001\u7269\u7406\u30a4\u30f3\u30d5\u30e9\u306e\u5236\u7d04\u306b\u7e1b\u3089\u308c\u308b\u3053\u3068\u306a\u304f\u3001\u67d4\u8edf\u306a\u62e1\u5f35\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u306e\u30aa\u30f3\u30c7\u30de\u30f3\u30c9\u306e\u62e1\u5f35\u6027\u306b\u3088\u308a\u3001\u30ea\u30bd\u30fc\u30b9\u306e\u6700\u9069\u306a\u5229\u7528\u304c\u78ba\u4fdd\u3055\u308c\u3001\u52b9\u7387\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002.<\/span><\/p>\n

\u4e8b\u696d\u7d99\u7d9a\u6027<\/strong><\/span><\/p>\n

\u30af\u30e9\u30a6\u30c9\u30d9\u30fc\u30b9\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u707d\u5bb3\u5fa9\u65e7\u3068\u4e8b\u696d\u7d99\u7d9a\u8a08\u753b\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u81ea\u7136\u707d\u5bb3\u3084\u30b7\u30b9\u30c6\u30e0\u969c\u5bb3\u306a\u3069\u306e\u4e0d\u6e2c\u306e\u4e8b\u614b\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3067\u3082\u3001\u30af\u30e9\u30a6\u30c9\u306b\u4fdd\u5b58\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306f\u5e38\u306b\u5b89\u5168\u3067\u3042\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u304c\u3042\u308c\u3070\u3069\u3053\u304b\u3089\u3067\u3082\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4e8b\u696d\u904b\u55b6\u304c\u4e2d\u65ad\u3055\u308c\u308b\u3053\u3068\u304c\u306a\u304f\u306a\u308a\u3001\u4fe1\u983c\u6027\u3068\u56de\u5fa9\u529b\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002.<\/span><\/p>\n

\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u52b9\u7387<\/strong><\/span><\/p>\n

\u30af\u30e9\u30a6\u30c9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u3001\u5206\u6563\u3057\u305f\u30c1\u30fc\u30e0\u306e\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u9023\u643a\u3092\u53ef\u80fd\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u826f\u3044\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u4fc3\u9032\u3057\u307e\u3059\u3002\u5f93\u696d\u54e1\u306f\u3069\u3053\u304b\u3089\u3067\u3082\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3001\u5171\u6709\u3001\u7de8\u96c6\u3067\u304d\u308b\u305f\u3081\u3001\u30c1\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u751f\u7523\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002\u30ea\u30e2\u30fc\u30c8\u30ef\u30fc\u30af\u304c\u307e\u3059\u307e\u3059\u666e\u53ca\u3059\u308b\u6642\u4ee3\u306b\u304a\u3044\u3066\u3001\u30af\u30e9\u30a6\u30c9\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u52b9\u7387\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/span><\/p>\n

\u5b89\u5168<\/strong><\/span><\/p>\n

Despite initial concerns around data security on the cloud, cloud service providers today invest heavily in security measures to protect their clients\u2019 data. Encryption, identity management, physical security, and intrusion detection are some of the robust security protocols implemented. Additionally, the automatic backup and remote storage of data ensure that valuable information is safeguarded against local breaches or accidents.<\/span><\/p>\n

\u30af\u30e9\u30a6\u30c9\u79fb\u884c\uff1a\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u306e\u30a2\u30d7\u30ed\u30fc\u30c1<\/span><\/strong><\/span><\/h2>\n

\"Cloud<\/span>Now that we have a solid understanding of the potential advantages a cloud migration can offer, it\u2019s crucial to approach the transition with a strategic mindset. The process isn\u2019t as simple as flipping a switch; it requires careful planning and execution to ensure a smooth and successful transition. In the following section, we will discuss a step-by-step approach to effectively migrate your business operations to a cloud-based infrastructure.<\/span><\/p>\n

#1: \u8a08\u753b<\/strong><\/span><\/p>\n

Before embarking on the path of cloud migration, it\u2019s essential to have a comprehensive migration plan. This includes identifying the applications and workloads that will be moved to the cloud, deciding on the migration strategy (like rehosting, replatforming, or refactoring), and establishing a timeline for the migration. It\u2019s also important to decide on the type of cloud service (like IaaS\u3001PaaS\u3001\u307e\u305f\u306fSaaS<\/a><\/span><\/strong>\uff09\u3068\u9069\u5207\u306a\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u9069\u5207\u306a\u8a08\u753b\u306b\u3088\u3063\u3066\u6f5c\u5728\u7684\u306a\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002 \u8ab2\u984c<\/span><\/strong> \u3088\u308a\u30b9\u30e0\u30fc\u30ba\u306a\u79fb\u884c\u30d7\u30ed\u30bb\u30b9\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002.<\/span><\/p>\n

#2: \u8a55\u4fa1<\/strong><\/span><\/p>\n

\u8a55\u4fa1\u30d5\u30a7\u30fc\u30ba\u3067\u306f\u3001\u65e2\u5b58\u306e\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u30fb\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3092\u8a73\u7d30\u306b\u5206\u6790\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30b7\u30b9\u30c6\u30e0\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u9593\u306e\u4f9d\u5b58\u95a2\u4fc2\u306e\u628a\u63e1\u3001\u3053\u308c\u3089\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30af\u30e9\u30a6\u30c9\u3068\u306e\u4e92\u63db\u6027\u306e\u8a55\u4fa1\u3001\u305d\u3057\u3066\u79fb\u884c\u306b\u3088\u308b\u6280\u8853\u7684\u304a\u3088\u3073\u30d3\u30b8\u30cd\u30b9\u7684\u306a\u5f71\u97ff\u306e\u8a55\u4fa1\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u8a55\u4fa1\u306f\u3001\u6f5c\u5728\u7684\u306a\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306e\u7279\u5b9a\u3001\u79fb\u884c\u30b3\u30b9\u30c8\u306e\u898b\u7a4d\u3082\u308a\u3001\u305d\u3057\u3066\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u30c7\u30fc\u30bf\u304c\u79fb\u884c\u3092\u6210\u529f\u3055\u305b\u308b\u305f\u3081\u306e\u6e96\u5099\u3092\u78ba\u5b9f\u306b\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002.<\/span><\/p>\n

#3: \u79fb\u884c\u6e96\u5099<\/strong><\/span><\/p>\n

\u3053\u306e\u30d5\u30a7\u30fc\u30ba\u3067\u306f\u3001\u4f01\u696d\u306f\u8a55\u4fa1\u3055\u308c\u305f\u30cb\u30fc\u30ba\u306b\u57fa\u3065\u3044\u3066\u30af\u30e9\u30a6\u30c9\u74b0\u5883\u3092\u9069\u5207\u306b\u69cb\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u30af\u30e9\u30a6\u30c9\u74b0\u5883\u5185\u306b\u5fc5\u8981\u306a\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u30b7\u30b9\u30c6\u30e0\u3001\u304a\u3088\u3073\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306e\u8a2d\u5b9a\u304c\u542b\u307e\u308c\u307e\u3059\u3002.<\/span><\/p>\n

\u3055\u3089\u306b\u3001\u30b9\u30bf\u30c3\u30d5\u306f\u30af\u30e9\u30a6\u30c9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u4ed8\u968f\u3059\u308b\u65b0\u3057\u3044\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3084\u30c4\u30fc\u30eb\u3092\u6271\u3048\u308b\u3088\u3046\u3001\u5341\u5206\u306a\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3092\u53d7\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u79fb\u884c\u306e\u6e96\u5099\u306b\u306f\u3001\u5404\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u79fb\u884c\u6642\u671f\u3068\u65b9\u6cd5\u3092\u6982\u8aac\u3057\u305f\u8a73\u7d30\u306a\u79fb\u884c\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u306e\u4f5c\u6210\u3082\u542b\u307e\u308c\u307e\u3059\u3002.<\/span><\/p>\n

#4: \u79fb\u884c\u306e\u5b9f\u884c<\/strong><\/span><\/p>\n

The migration execution is the actual process of moving your data, applications, and other business elements from on-premises infrastructure to the cloud. This should be done according to the migration plan and schedule. The process may involve shutting down certain services temporarily, migrating the data, and then testing to ensure that everything is working correctly. It\u2019s important to have backup contingency plans in place in case any issues arise during the migration.<\/span><\/p>\n

#5: \u30c6\u30b9\u30c8\u3068\u691c\u8a3c<\/strong><\/span><\/p>\n

\u79fb\u884c\u5b9f\u884c\u5f8c\u3001\u79fb\u884c\u3055\u308c\u305f\u3059\u3079\u3066\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u30c7\u30fc\u30bf\u304c\u65b0\u3057\u3044\u74b0\u5883\u3067\u6b63\u3057\u304f\u52d5\u4f5c\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001\u5fb9\u5e95\u7684\u306a\u30c6\u30b9\u30c8\u3068\u691c\u8a3c\u30d7\u30ed\u30bb\u30b9\u3092\u5b9f\u65bd\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c6\u30b9\u30c8\u3001\u6a5f\u80fd\u30c6\u30b9\u30c8\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u306e\u672c\u756a\u7a3c\u50cd\u524d\u306b\u554f\u984c\u3092\u7279\u5b9a\u3057\u3001\u4fee\u6b63\u3059\u308b\u3053\u3068\u304c\u76ee\u6a19\u3067\u3059\u3002.<\/span><\/p>\n

#6: \u904b\u7528\u3068\u6700\u9069\u5316<\/strong><\/span><\/p>\n

Once the migrated systems are live on the cloud, organizations need to continuously monitor and manage the cloud environment. This includes optimizing the performance of the cloud services, ensuring security protocols are up to date, and checking the system\u2019s health regularly. Organizations should also seek to continually optimize their cloud cost and usage, embracing the scalability and flexibility that cloud platforms offer.<\/span><\/p>\n

The steps above provide a comprehensive guide to facilitate a successful migration from an on-premises infrastructure to a cloud-based one. Each phase is vital and skipping one can lead to unnecessary complications. Therefore, it\u2019s imperatively crucial to follow each step diligently for a seamless and successful cloud migration.<\/span><\/p>\n

\u611f\u60f3<\/strong><\/span><\/span><\/h2>\n

Cloud migration is more than a technical upgrade\u2014it\u2019s a strategic journey that enables businesses to unlock scalability, innovation, and long-term growth. Organizations that approach on-premise to cloud migration<\/strong> with the right strategy and expertise can accelerate transformation while minimizing risks.<\/p>\n

Ready to start your cloud migration journey with confidence?<\/strong>
Contact Eastgate Software today to explore how our cloud and custom software solutions can help you plan, migrate, and optimize your infrastructure for future success: https:\/\/eastgate-software.com\/contact-us\/<\/a><\/strong><\/span><\/p>","protected":false},"excerpt":{"rendered":"

According to a 2025 report by Flexera, over 80% of enterprises have adopted a cloud-first strategy to improve scalability and reduce infrastructure costs. As businesses seek greater agility and resilience, the shift from on-premise to cloud migration has become a critical component of digital transformation. In 2026 and beyond, migrating from on-premise to cloud enables organizations to modernize their IT infrastructure, enhance flexibility, and support faster innovation. Cloud-based solutions provide on-demand resources, improved collaboration, and the ability to scale operations efficiently\u2014making them essential for staying competitive in a rapidly evolving market. In this article, you will gain a clear understanding of the on-premise to cloud migration journey, including key steps, […]<\/p>","protected":false},"author":238283278,"featured_media":102617,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","inline_featured_image":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1420],"tags":[],"class_list":["post-70231","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cloud-migration"],"yoast_head":"\nOn-Premise To Cloud Migration: Step-By-Step Approach - Eastgate Software<\/title>\n<meta name=\"description\" content=\"In the realm of technology and information, organizations are increasingly realizing the need to modernize their operations, specifically in terms of their digital infrastructure. 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