Error Code 405

This error occurs when Tally.ERP 9 is unable to connect to the configured Tally Gateway Server and Port.

Possible Reason for Failure

If the Server name/IP address or Port of your Tally Gateway Server specified is incorrect or invalid, this error may occur.

Possible Solutions

Check if the Server name/IP address specified in the Configure Existing License screen is correct.

Alternatively, press F2 in the Configure Existing License screen to select a Tally Gateway Server.

After you have resolved the issue you can:

Reconfigure your existing license, or

Press F2 in the Configure Existing License screen to search for Tally Gateway Servers.