Which prerequisites have to be fulfilled before you reset a database migration option (DMO) procedure? Note: There are 2 correct answers to this question.

Which prerequisites have to be fulfilled before you reset a database migration option (DMO) procedure? Note: There are 2 correct answers to this question.
A . cleanup has already been triggered.
B. The SUM folder needs to exist
C. The DMO pro e hasn’t reached downtime yet
D. The source database is up and running

Answer: B,D