https://help.tallysolutions.com/docs/td9rel54/td9/getting_started_with_td9/licensing/activating_your_tallydeveloper_9_license_as_a_multisite_account.htm

Activating Your Tally.Developer 9 License as a Multi-Site Account

A Multi-site account is a type of account under which multiple Tally.Developer 9, Tally.ERP 9, or Tally.Server 9 licenses activated on different locations, can be added. Each site is given a unique identification by the user, which is termed as Site ID . The multi-site account is identified using a unique Account ID .

For example , a company with branch offices in multiple locations, where single and multi-user licenses are activated, can create a multi-site account and the administrator can centrally manage all the branch office licenses.

To activate a multi-site account

1. Right-click tally.developer.exe , and select Run as Administrator .

2. Go to License > Activate .

3. Click Multi-Site in the License Activation screen, to activate the Site license.

4. E nter the Serial Number and Activation Key .

5. Enter the Account ID to which you want to add this license. Contact your administrator for this information.

6. Enter the Site ID . The Site ID should be a unique name to help you to identify this license.

7. Enter the Site administrator e-mail ID . The Site administrator is authorised  to perform all licensing operations for this Site. The Activate Site License screen appears as shown below:

8. Press Enter . The Manage Account screen appears as shown below:

9. Click Create a new site to activate this site license. A confirmation message appears on successful activation.

Note: Click Reactivate an existing site to reactivate an existing site license.

10. Press Enter to view the Unlock License screen.

11. Enter the Unlock Key sent to your e-mail ID in the Unlock License screen, as shown below:

12. Press Submit to unlock your license. A confirmation message is displayed in the Output tab once your license is unlocked.

See also

Reactivating Tally.Developer 9 license

Updating Tally.Developer 9license

Configure Tally.Developer 9 license