Hello, This is a Russian speaking Q&A. Would you like to continue working on your issue in Russian? In case you wish to continue in English, you may ask your question on the English Q&A: https://learn.microsoft.com/en-us/answers/
Также предоставляю Вам несколько ссылок на обсуждения данного вопроса на английском языке:
Unable to Activate SandBox to complete my module for Azure Training
Sandbox access has been suspended
Unable to access sandbox - Appealed and Impact on certifications