https://help.tallysolutions.com/docs/ts9rel54/ts9/surrender_license.htm

Surrendering Tally.Server 9 License

You need to surrender your Tally.Server 9 license if you want to use the license on another computer.

To surrender your Tally.Server 9 license

1. Start Tally.Server 9.

2. Click S: Manage Server in the Tally.Server 9 monitor screen.

3. Click F3 : Licensing in the Tally.Server Information screen.

4. Click L : Surrender License in the Startup screen as shown below:

o If you are a Microsoft Windows standard user, and do not have the required rights, a message appears as shown below:

Click Yes , and enter your computer administrator username and password to restart Tally.Server 9 with administrator rights.

o If you have Microsoft Windows administrator rights, a message appears as shown below:

Click Yes , for Tally.Server 9 to restart with administrator rights.

5. Press Enter to surrender the license.