> Go to EAC > Recipient > Migration
> Create Migration Batch by clicking the + icon. Choose Migrate to Exchange Online
> Choose the Cutover Migration. Click Next
> Fill the blanks:
Email Address: Any email address that you will migrate
Account with privieges: The enterprise/domain account of your onprem exchange server
Password: Password of the enterprise/domain account.
> Create the Migration Endpoints.
Exchange Server = the name of the Exchange Server. Check it by opening the Exchange Server > This PC or My Computer> Right click and check the FULL COMPUTER NAME
RPCProxyServer = their OWA url without the https. (Ex, mail.domain.com)
Add any email address that will receive the error and select if you want to start the migration automatically or manually.