https://help.tallysolutions.com/docs/te9rel60/sync/Online_Synchronisation_Via_Tally.NET_Server.htm

Online Synchronisation Via Tally.NET Server

You can synchronise data via Taly.NET Server or via private network. To know more on how to configure client and server for synchronisation, click the links below:

     Configuring Client/Server

     Configuring TSS Features

     Connecting Server Company to Tally.NET Server

     Creating Sync Rule on Client

     Activating Sync Rule on Server

     Synchronising Data