Rollback users from Teams to Lync Server
This scenario apply only for individual or bulk moved users to Teams from Lync/SfB environment using Move-CsUser commands.
It's not a common scenario where users move back to Lync from Teams but in a situation you might need it.
Part of the process you may required to find hostedmigrationService related to your tenant.
you need to check above highlighted parameter which is related to your account. If you're using Get-TenantInfo.PS1 also one way of find the script and try
Once you done with $url defined you can go for next step to move user back to onprem
Move-CsUser -Identity "firstname.lastname@example.org" -Target "lyncpool.deployskypeforbusiness.com" -Credential $cr -Verbose
Prompt for $cr=credential make sure enter Teams administrator
Once you move the user successfully can verify using following parameter
HostingProvider should change it to SRV:
Save these users in CSV with a header sipaddress (this can be text with csv)
$Userlist = import-csv .\Userslist.csv
ForEach ($AllMoveuser in $Userlist)
Move-CsUser -Identity $AllMoveUser.SipAddress -Target "sipfed.online.lync.com" -ProxyPool "lyncpool.deployskypeforbusiness.com" -Credential $cr -HostedMigrationOverrideUrl $url -Verbose