Cannot access the share folder when the users belong to a domian?

i cannot access the share folder when the users belong to a domian and in the same time thier is sharefolder out of domain and in the same network and can access it but when access my cloud ex4 i found the cannot access and need a perrrmission ,

You need to go back to the WD Community and post this under the My Cloud EX4 forum. You may get faster results for an answer.