https://help.tallysolutions.com/docs/te9rel64/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