There are 10 users connected, and 10 of these services.
However you don't use OneDrive, and you do not want to sync any users data.
Moreover OneDrive is not installed on the TSplus server,
Is this service related to TSplus?
svchost.exe_OneSyncSvc is NOT related to TSplus.
- this service is not created by TSplus
- this service is not started by TSplus
- this service is included in Windows and comes from Microsoft
- it is a service per user so that is why you get 10 when you have 10 open sessions.