@Samy Abdul Firstly, apologies for the delay in responding here and any inconvenience this issue may have caused.
It's should be fine if you migrate and move both at once.
Are you migrating database? because this contains both the information's(SQL Databases contain information of scheme and data)
Can you share the databox family order ID(could you send an email to AzCommunity[at]Microsoft[dot]com referencing this thread as well Please mention "ATTN subm" in the subject field. Thank you for your cooperation on this matter and look forward to your reply)?
Looking forward for your reply!