Unfortunately not, recurring promotion codes are only for the life of the product and would end once the product was discontinued.
The section “Promo Code Usage” in our Terms of Service speaks to this, you can be read the direct passage below:
“Client’s who take advantage of a lifetime recurring promotion, are entitled to the usage of said promotion for the lifetime of the product it was originally applied to, any downgrades or upgrades will remove the promotion from the client’s product”
If I Change My Legacy Product to a Cloud One, Will I Keep My Discount?
Unfortunately not. As this would require the creation of a new service, this would very much be the end of life of your old one.