>Hello Sir,
>Thank You For Replying
>how the system date should be handled if system date is set back the product validity is extended
I am not sure to understand this comment. If you extend the validity, you need to generate a new key.
Éric Moreau, MCPD, Visual Developer - Visual Basic MVP
Conseiller Principal / Senior Consultant
Moer inc.
http://www.emoreau.com