Hi @Nathan Carns ,
Please note that Microsoft Learning/Learn is currently not supported in the Q&A forums. The supported products are listed over here https://learn.microsoft.com/en-us/answers/products.
You may ask the experts in the dedicated Microsoft Learn forum over here:
https://trainingsupport.microsoft.com/en-us/mcp/forum/mcp_courses-mcp_mslearn
Or here:
https://techcommunity.microsoft.com/t5/microsoft-learn/ct-p/MicrosoftLearn
I would also check these similar threads for your sandbox issue:
https://social.msdn.microsoft.com/Forums/en-US/68f262b3-86d5-4be5-a343-711cfea1b446/solved-sandbox-does-not-activate-on-microsoft-learn-units?forum=CertGeneral
https://learn.microsoft.com/en-us/learn/support/
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