Verify the backup requirements for the Azure Stack Hub Infrastructure Backup Service:
- Storage location—You need a file share accessible from Azure Stack Hub that can contain seven backups. Each backup is about 10 GB. Your share should be able to store 140 GB of backups.
- Credentials—You need a domain user account and credentials, for example, you may use the Azure Stack Hub administrator credentials.
- Encryption key—Backup files are encrypted using this key. Make sure to store this key in a secure location. Once you set this key for the first time or rotate the key in the future, you cannot view this key from this interface.