Script to rename domain name of selected users at once?

Hello,

Using Avamar 7.4 in our environment, we are migrating domain name to a new one.

Eg: From domain "abc@uvw-xyz.com" to "abc@uvw_xyz.com".

After migrating users, backups are not running then after renaming the domain name of any user again, backups are running fine as scheduled. We have around 600 hundred users and the process to rename domain one by one from Avamar server would be very time consuming. So it would be helpful if the required script to rename domain name of selected users once, could be shared or any alternate process to be followed.

Regards,

Akash