Thanks for posting your question in the Microsoft Q&A forum.
You need to request an increase in the quota for the 'standardDASv5Family' VMs in the 'eastus' region. You can submit a request for a quota increase through the Azure portal by following the link provided in the error message: https://aka.ms/ProdportalCRP/#blade/Microsoft_Azure_Capacity/UsageAndQuota.ReactView/Parameters/.... This link will take you to the quota approval page.