Don't have Telegram yet? Try it now!
https://blog.it-kb.ru/2016/02/26/migration-exchange-server-2003-to-exchange-server-2013-part-2-prerequisites-install-preparation-and-upgrade-to-exchange-server-2010/
Миграция с Exchange Server 2003 на Exchange Server 2013. Часть 2. Обновление до уровня Exchange Server 2010