【Main Survey Targets】 - OS and version of devices and servers - Operating environment of business systems - Database, middleware, execution environment - External integrations such as APIs and CSVs - Peripheral devices and drivers - Locations of development companies, maintenance companies, and documentation/sources 【Considered Response Methods】 1. Update only the OS 2. OS update + partial modification of business systems 3. Temporary measures + migration preparation 4. Transition to web-based/cloud solutions 5. Gradual or complete replacement 【Migration Process】 Current situation survey → Functionality confirmation in test environment → Data migration and switch testing → Production migration and operational confirmation 【Published Materials】 A4, 4 pages / 2 sheets printed on both sides Includes a table summarizing structure and support status and a response plan sheet. *Operation on the new OS requires prior verification. *Temporary measures such as ESU will be considered after confirming targets, duration, and conditions. *The reference date for document verification is October 21, 2026.

Individual quotation. We will confirm the target system, availability of materials/source code, technical environment, scope of investigation/modification, data migration, verification details, etc., and provide you with the cost.

We will confirm the target environment, the scope of modifications, verification, and migration, as well as the allowable downtime for business operations, and provide individual guidance. We will consider a response plan based on the support deadline and your preferred timing.

J&C Company, Inc.

【Issues like these】 - The OS support has ended or is nearing its end. - There are old business systems that cannot be updated. - It is unclear whether the screen, reports, and integration functions will work on the new OS. - The support status of the database and middleware is not understood. - There are concerns about compatibility with dedicated devices and printers. - There is no development company or representative available, making it difficult to understand the current situation. - I want to determine whether partial modifications or a complete replacement is more appropriate. - I want to organize the business stoppage and recovery methods during the transition. 【Situations for utilizing the know-how collection】 Please use it for inventorying internal systems, considering update budgets, meetings with maintenance companies, and organizing migration plans and testing items.