Deleting storage account that has only been used for VM restore

It should be okay to delete the storage account if it's not being actively used anymore, and you've moved anything you want to keep to another location. This would also remove the tables and metadata.

Alternatively, you don't necessarily need to create a new storage account every time. Your process could be that you just one-time create a storage account designated for restores and re-use that as needed. Example: mystoracct4restores. Occasionally, you could go in and delete stuff out of it to keep it clean.

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