--- title: "Error: Unable to connect to CRM after migrating from one Microsoft Dynamics tenant to another" description: In case of a migration from one MS Dynamics organization to another you might face an error message "Unable to connect to CRM" even if you entered the correct login details. --- [Skip to content](https://portal.snapaddy.com/knowledge/error#main-content) - [English](https://portal.snapaddy.com/knowledge/error) - [Deutsch](https://portal.snapaddy.com/de/knowledge/fehler-verbindung-zum-crm-nicht-möglich-nach-wechsel-der-microsoft-dynamics-instanz) English Show submenu for translations [![AppSignet](https://portal.snapaddy.com/hs-fs/hubfs/AppSignet.png?width=60&height=60&name=AppSignet.png)](https://portal.snapaddy.com/knowledge?hsLang=en) Open main navigation Close main navigation - - [English](https://portal.snapaddy.com/knowledge/error) - [Deutsch](https://portal.snapaddy.com/de/knowledge/fehler-verbindung-zum-crm-nicht-möglich-nach-wechsel-der-microsoft-dynamics-instanz) English Show submenu for translations - [snapAddy website](https://www.snapaddy.com/) [snapAddy website](https://www.snapaddy.com/) snapAddy Knowledge base - How can we help? - There are no suggestions because the search field is empty. 1. 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