Azure ADDS Setup , Sync Azure AD users & Domain Join to azure ADDS !!!

Deploy Azure ADDS
Sync users from azure AD into azure ADDS
Domain join server to azure ADDS

[MrZ____]

HI Girish, your great man!!! I have problem VM AD Users & COmputer after joining domain not sync azure ad account details

[JaberjungSingh]

Hi Girish,
I am folowing the same steps as you shown in video, However I am getting below error.

{
"status": "Failed",
"error": {
"code": "BadRequest",
"message": "Value cannot be null.\r\nParameter name: source"
}
}

Please suggest on this error