Hello !
I need to change the enrollment Organization Group for many users.
I search a way to do it easily. With a bulk method for example...
Thank's 
Hi
by API and script
API help(https://cn135.awmdm.com/api/help/#!/apis/10008?!%2Fapis%2F10008
System Management REST API V1 - User
1. Get a list of all users(/users/search)
2. Extract user ids
3. Change the users enrollment OG in loop(/users/{id}/changelocationgroup)
In the attachment a raw example.
P.S. cn135.awmdm.com is not my environment 