Error Code 2013: Invalid or incorrect Tally.NET ID or password
This error occurs when you enter an incorrect or invalid Tally.NET ID, administrator e-mail ID, site administrator e-mail ID, or password.
Solution
You must enter a valid Tally.NET ID, administrator e-mail ID, or site administrator e-mail ID, and password. If you forgot your password press F5, then you receive a reset password link on your registered E-mail ID with the help of that link you can change your password. And if you forgot the ID go to the www.tallysolutions.com> login> forgot Id/paswword> enter the serial number, and press Enter it will show you your admin ID.