Hi @Everest MacDonald
Apologies for the painful experience and for all the inconvenience this must have caused.
To delete a recovery services vault there should not be any protected servers or backup management servers associated with it.
In order to delete the Azure VM backup data you need to follow below steps:
https://video2.skills-academy.com/en-us/azure/backup/backup-azure-manage-vms#delete-backup-data
Please do consider that if you have soft delete enabled, you will need to undelete data, disable soft delete and then delete data again.
In order to do this, you can follow the steps for permanently deleting soft deleted backup items.
For the MARS Agent, you should follow below steps:
https://video2.skills-academy.com/en-us/azure/backup/backup-azure-delete-vault#delete-protected-items-on-premises
Please do confirm that you have removed all dependencies.” If you are sure that you have removed all the dependencies and still facing issues deleting recovery services vault, Please send mail to AzCommunity [at] microsoft dot com with subject: "ATTN: Sadiqh Ahmed" include your Azure subscription ID and a link to this forum thread (for context).
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